関東化学株式会社 List of Products and Services

BRAND's "Pipette Tips & Filter Tips" are recognized as the standard worldwide. The tips are optimized to adapt to specific volumes. The polypropylene used as raw material is of high purity and does not contain two types of additives (DiHEMDA and Oleamid) that could affect biochemical tests. Additionally, all tips, except for bulk packaging up to 1000μL, are free from DNA (DNA content < 40fg), RNases (RNAase content < 8.6fg), endotoxins (endotoxin content < 0.01EU/ml), and ATP (ATP content < 1fg). 【Features】 ■ High-quality, premium pipette tips ■ Suitable for molecular biology ■ Autoclavable ■ User-friendly product design ■ Extensive lineup *We serve as the exclusive distributor of BRAND products in Japan, providing sales and after-sales service. For more details, please download the catalog or feel free to contact us.

• Other laboratory equipment and containers

The BRAND "Transferpett S" is equipped with all the necessary functions for a micropipette. It can be used in a wide range of fields. It fits comfortably in both right and left hands, whether you have large or small hands. 【Features】 ■ All operations can be easily performed with one hand Setting the volume, locking the volume setting dial, pipetting, and ejecting tips can all be done with just the thumb. Volume setting is easy regardless of dominant hand, even while wearing gloves. ■ Prevention of accidental operation User-friendly and reliable volume lock function. ■ Autoclave sterilization without disassembly Autoclave sterilization can be done without the hassle of disassembly. ■ Precision correction that does not require special tools or techniques The easy calibration function allows for quick and simple precision correction. 【Product Lineup】 ◆ Single fixed volume ◆ Single digital variable volume ◆ 8-channel digital variable volume ◆ 12-channel digital variable volume For more details, please download the catalog or feel free to contact us. *If you would like to request a demo unit, please apply through the [Contact Form].

• Other laboratory equipment and containers

The BRAND company’s "Transferpett® Electronic" is an electric pipette that pursues comfortable operability, a wealth of features, and design. It has been certified by the Rheinland/Berlin-Brandenburg Technical Audit Association. Available in single, 8-channel, and 12-channel variable models. 【Features】 ■ Ergonomic A design that excels in functionality and ergonomics. Adjustable finger hanger. ■ Excellent operability Simple menu guide. Large and easy-to-read display. ■ Technological innovation The newly developed nose cone allows for optimal positioning of the tips. It also minimizes the force required for tip injection. *Our company serves as the exclusive distributor of BRAND products in Japan, providing sales and after-sales service. For more details, please download the catalog or feel free to contact us.

• Other laboratory equipment and containers

The BRAND "Transferpette" is an ideal pipette for solutions that cannot be handled with air-cushion pipettes. Its positive displacement mechanism allows for high-precision handling of difficult-to-pipette liquids. It is perfect for pipetting high-viscosity media such as high-concentration protein solutions, oils, and resins. It can handle viscosities up to 50,000 mm²/s. High-density substances like glycerin, mercury, and sulfuric acid can be transferred with the pipette without recalibration, up to 13.6 g/cm³. ≫ Ideal for pipetting difficult liquids ≪ ● High viscosity ● High flowability ● Foaming ● High concentration ● High vapor pressure *Our company serves as the exclusive distributor of BRAND products in Japan, providing sales and after-sales service. For more details, please download the catalog or feel free to contact us.

• Other laboratory equipment and containers
• pipette

The BRAND company's "Dispensette" is a bottle-top dispenser that prioritizes safety and durability. Its unique piston design, which is not found in other companies, allows for high durability and dispensing with minimal effort. It also combines high precision and reproducibility. 【Product Lineup】 ◆ Dispensette S Suitable for use with acids, basic solutions (NaOH, KOH), and many organic solvents. ◆ Dispensette S Organic Ideal for dispensing strong acids and organic solvents containing halogenated hydrocarbons. ◆ Dispensette TA Capable of dispensing hydrofluoric acid. 【Features】 ■ High durability with a unique piston design ■ Safe and easy to use, even for beginners ■ Easy maintenance, cleaning, and parts replacement ■ High precision and reproducibility ■ JCSS calibration service available *We serve as the exclusive distributor of BRAND products in Japan, providing sales and after-sales service. For more details, please download the catalog or feel free to contact us. *If you would like to request a demonstration unit, please apply through the [Contact Form].

• Other laboratory equipment and containers

The "Seripetter/Seripetter Pro" is an economy-type bottle-top dispenser. The "Seripetter" can be used for dispensing alkaline solutions, buffer solutions, vitamin solutions, and molecular biology buffer solutions. It can also be used for agar media up to 60°C. The "Seripetter Pro" can be used with a wider range of reagents than the "Seripetter." In addition to general inorganic salt solutions and acid/alkali solutions, it can dispense a wide variety of organic solutions. 【Features】 ■ Dispensing volume setting The precise scale on the rail allows for quick and accurate setting of the dispensing volume, making it easy to confirm. ■ Semi-automatic dispensing method The filling of the reagent into the cylinder is done automatically by a spring. ■ Easily replaceable dispensing cartridge The core piston/cylinder is cartridge-type and can be easily replaced regularly. The product comes with one spare cartridge. ■ Compatible with various bottles The screw size of the main body’s bottle connection is 45 mm, but by using the standard included adapter, it can be connected to various sizes of reagent bottles. For more details, please download the catalog or feel free to contact us.

• Other laboratory equipment and containers

The BRAND "Macro/Micro Pipette Controller" is a pipette controller that excels in cost performance, suitable for both glass and plastic pipettes. 【Features】 ≪Macro Pipette Controller≫ ■ Compatible with commercially available pipettes from 0.1 to 200 mL ■ Allows for very simple pipetting operations Thanks to the valve system developed by BRAND, pipetting operations are extremely easy. A single lever allows for both suction and discharge operations, enabling precise adjustments without strain. It is very lightweight and can be used in various locations. ■ Color options In addition to gray, blue, green, and magenta are available, allowing for differentiation by individual or sample. ≪Micro Pipette Controller≫ ■ Operable with one hand ■ Suction and discharge operations can be performed using a dial, allowing for precise adjustments in micro-measuring without difficulty. *Our company serves as the exclusive distributor for BRAND products in Japan, providing sales and after-sales service. For more details, please download the catalog or feel free to contact us. If you wish to request a demo unit, please apply through the [Contact Form].

• Other laboratory equipment and containers

The BRAND company’s "Tightlet" is a bottle-top type digital burette. It is extremely compact, requires no assembly, and allows for fast and reliable titration with high precision and minimal effort. It can be used in various locations such as laboratories and manufacturing sites. 【Features】 ■ High Precision Accurate titration within Class A tolerance ■ Smooth and Effortless Operation Enables precise and delicate titration ■ Compact Design ■ Easy Operation No switch for suction and discharge (automatic switching) ■ High Maintainability Cleaning and part replacement can be easily done in the laboratory ■ Communication Function (Optional) Direct transfer of measurement data to a computer, preventing human errors such as transcription mistakes ≪Related Video≫ We have a video introducing how to use it. The narration is in English, but you can change it to Japanese subtitles using the automatic translation feature. Please take a look. For more details, please download the catalog or feel free to contact us. If you would like to request a demo unit, please apply through the [Contact Form].

• Other laboratory equipment and containers

┏━━━━┓ ☆Recommended☆ ≪Silver Ion Chromatography≫ ┗━━━━┛ This is a new HPLC column for silver ion chromatography based on zirconium phosphate. It is particularly useful for the separation, analysis, and purification of fats and oils with complex compositions. This product overcomes the challenges associated with traditional silver nitrate-impregnated silica gel, offering high safety and distinctive separation capabilities, with potential applications in the food industry, organic synthesis, and various other fields. ▼Product Lineup▼ ■Mightsil Series This is a particle-filled HPLC column using high-purity silica gel with extremely low metal impurities. We offer a range of packing materials centered around ODS (C18: octadecyl group), including C8 (octyl group), C4 (butyl group), NH2 (aminopropyl group), and Si60 (silica gel 60) types. Additionally, for application-specific columns, we conduct tests on elution behavior for each batch of packing material in the GP series, as well as adding items based on the target analytes relevant to their applications. 【Features】 ◇ High-purity silica gel material ◇ Full end cap ◇ High durability ◇ Reproducibility guaranteed

• Analytical Equipment and Devices
• Chemicals

┏━━━━┓ ☆Recommended☆ ≪Solvent for High-Performance Liquid Chromatography HLC-SOL≫ ┗━━━━┛ ▷Extension of column lifespan: Reduces the risk of increased back pressure on the column ▷Stability and improvement of reproducibility: Reduces and avoids negative impacts on detection sensitivity and other factors ▷Reduction of running costs: Decreases the frequency of replacement of consumable parts ◎Available for LC/MS and pharmaceutical testing. ▼Product Lineup▼ ■Prepsol Solvent for large-scale preparative liquid chromatography. Packaged in 18L to minimize UV absorption and non-volatile components while considering large-scale use. ■Ion Pair Reagent Assists in improving separation during chromatographic analysis of samples containing ionic compounds, ensuring solute retention and preventing issues with peak shape. ■For Ion Chromatography We offer a variety of reagents for ion chromatography, including standard stock solutions, standard solutions, and convenient mixed standard solutions. ■Custom Elution Solutions We provide solutions prepared to your desired composition ratio. This minimizes the hassle of preparation and issues related to contamination in the working environment. It leads to reduced reagent management burden, decreased waste of reagents, and improved reproducibility. Please feel free to contact us.

• Chemicals

┏━━━━┓ ☆Recommended☆ ≪Reagents for Metal Analysis≫ ┗━━━━┛ ▷Reduction of metal impurities using specially treated bottles ▷Suitable for UGR and harmful metal measurement, atomic absorption analysis ▷First choice for precise analysis ▼Product Lineup▼ ■Ultra High Purity Reagent Ultrapur An ultra-high purity reagent developed for ultra-trace analysis ■High Purity Solvent Primepure A new reagent with the highest purity specifications among commercially available reagents and broader guarantee items ■Reagents for Atomic Absorption Analysis AAS Reagents used for pretreatment, extraction solvents, masking agents, chelating agents, and interference suppressants in atomic absorption analysis. Guarantees low-level metal impurities for multiple items compared to those for precise analysis. ■Reagents for Harmful Metal Measurement PMA Reagents for measuring harmful metals at environmental standard levels. Specification values set from several ppb to several tens of ppb for each harmful metal. ■Reagents for Precise Analysis UGR This reagent group has a quality that meets or exceeds special grade standards defined by JIS standards. It particularly standardizes and guarantees metals as impurities.

• Chemicals

This product is based on the Japanese Pharmacopoeia (JP) reagent standards, with our own unique specifications established, and additionally guarantees quality by incorporating the United States Pharmacopeia (USP) reagent standards and the European Pharmacopoeia (EP) reagent standards. Furthermore, we have added a guarantee for JIS special grade, making it suitable for both JIS special grade and liquid chromatography applications. As a product that can be utilized globally, you can use it with confidence. For more details, please refer to the catalog below. We also offer pre-prepared elution solutions (premixed solvents) for various mobile phases. They can be used as is, helping to reduce the burden of reagent management and the cost of reagent disposal. Additionally, adjustments can be made according to the desired composition ratio requested by users. Please feel free to contact us.

• Chemicals

A positive list system based on the Food Sanitation Act regarding pesticide residues, veterinary drugs, and feed additives in food has been implemented since May 29, 2006. Our company offers standard products that comply with the positive list system, as well as pesticide mixed standard solutions for GC/MS and LC/MS that correspond to simultaneous testing methods (for agricultural products and livestock/aquatic products), and pesticide mixed standard solutions for individual testing methods for GC and LC. We have been supplying a wide range of pesticide mixed standard solutions even before the implementation of the positive list system. In the production of these mixed standard solutions, each substance is weighed using standard materials (active ingredients) as raw materials and mixed to a composition in accordance with simultaneous testing methods. Since many pesticides and veterinary drugs are unstable substances, we conduct our own stability tests regarding concentration guarantees, and we have received high reliability, so you can use our products with confidence. For more details, please download the catalog or feel free to contact us.

• Chemicals

We offer a wide range of standard products and mixed standard solutions for food analysis. ≫ Standard Products for Food Analysis We have a broad selection of standard products for physicochemical analysis in food hygiene testing, including lipids, vitamins, contaminants, colorants, and veterinary pharmaceuticals. ≫ Mixed Standard Solutions for Food Analysis Under the positive list system, many veterinary pharmaceuticals are subject to testing, and individual testing methods are mainstream in notification testing methods (LC). In recent years, simultaneous analysis methods using liquid chromatography-mass spectrometry (LC/MS) and tandem mass spectrometry (LC/MS/MS) have been adopted. We provide mixed standard solutions for food analysis that comply with the residue standard testing guidelines for veterinary pharmaceuticals. For more details, please download our catalog or feel free to contact us.

• Chemicals

The positive list system based on the Food Sanitation Act regarding pesticide residues, veterinary drugs, and feed additives in food has been implemented since May 29, 2006. Our company offers a range of standard products that comply with the positive list system, including pesticide mixed standard solutions for GC/MS and LC/MS that correspond to simultaneous testing methods, as well as pesticide mixed standard solutions for individual testing methods for GC and LC. The standard products available are primarily our manufactured products and those from Dr. Ehrenstorfer (imported), providing a rich selection. The standard products are packaged with an analysis report (analysis table) attached, which allows you to confirm the purity of the standard products. Additionally, information on physical properties other than purity is also included in the analysis table for your reference. The brochure lists the standard products that are subject to the positive list system of the Ministry of Health, Labour and Welfare, which can be used as a reference for analysis targets. For the latest information on standard products, prices, etc., please use our product information search site. For more details, please download the catalog or feel free to contact us.

• Chemicals

The types of shellfish toxins are mainly classified into paralytic shellfish toxin, diarrheic shellfish toxin, amnesic shellfish toxin, and neurotoxic shellfish toxin. The toxic contamination of bivalves due to these toxins has become a significant issue for food safety and health crisis management in marine areas around the world, including Japan. Additionally, on March 6, 2015, a notification regarding the handling of shellfish contaminated by paralytic shellfish toxins was issued, and the introduction of instrumental analysis for the diarrheic shellfish toxin group, Okadaic acid, along with its regulatory limits, has further heightened the necessity for shellfish toxin analysis. Our company handles shellfish toxin standard materials from the National Research Council Canada and Laboratorio CIFGA S.A. in Spain, and we would like to inform you about this. Furthermore, since April 2016, the National Metrology Institute of Japan (NMIJ) has started distributing shellfish toxin CRM (Certified Reference Materials). For more details, please download the catalog or feel free to contact us.

• Chemicals

The "Allergen Eye Immunochromatography Kit" is available in two types: "for heated use" and "for unheated use." ◆ For Heated Use ◆ This product does not require any special measuring equipment and can be tested in about 2 hours. It can detect allergen proteins at 2 ppm in food and has a high correlation with the ELISA method. In addition to all specified raw materials, it can also test for almonds, sesame, soybeans, and more. Please use it for screening before ELISA and for daily process management. ◆ For Unheated Use - Single Step ◆ This product does not require any special measuring equipment and can be tested in 30 minutes. It can detect allergen proteins at 2 ppm in food and boasts high sensitivity. Please use it for wipe tests of manufacturing machinery, testing of wash water, and inspection of raw materials and work-in-progress. For more details, please refer to the catalog below.

• Chemicals
• Other inspection equipment and devices

This product can be used as a confirmation test for screening results obtained through screening tests (ELISA method). Qualitative tests for ovalbumin, ovomucoid, casein, and β-lactoglobulin are possible. In addition to this product, we offer various food allergen testing kits that cater to different situations in food processing environments. Please use them together. For more details, please refer to the catalog below.

• Chemicals
• Other inspection equipment and devices

Mycotoxins are toxins produced by molds that primarily attach to imported goods such as grains and spices, as well as animal feed. Reports have indicated their acute toxicity and carcinogenicity to humans and animals, leading to increased concern in food and feed inspections. Currently, regulations and standards exist for aflatoxins, deoxynivalenol and nivalenol, and patulin, with discussions underway to expand the scope of regulation further. Romer Labs, which handles the "Biopure series" of mycotoxin standard products, has obtained ISO/IEC 17025 and ISO 17034 accreditation. We are now offering certified reference materials and standard materials manufactured in accordance with ISO 17034 for sale. Additionally, we accept orders for custom mixed standard solutions with original compositions. 【Products Offered】 ◆ ISO 17034 Certified Reference Materials ◆ ISO 17034 Standard Materials ◆ Mycotoxin Mixed Standard Solutions ◆ Mycotoxin Standard Solutions and Standard Products ◆ Stable Isotope Labeled Standard Solutions ◆ Ergot Alkaloid Standard Solutions ◆ Composition Standard Samples for Proficiency Testing (QCM) For more details, please download the catalog or feel free to contact us.

• Chemicals

This kit is a simple and rapid kit designed to test for specific contamination of raw materials based on the principle of immunochromatography. It can be tested using a common extraction solution in accordance with the Consumer Affairs Agency's notification, providing reliable results in a wide range of situations. Additionally, all reagents are pre-prepared, eliminating the need for prior preparation. For more details, please refer to the catalog below.

• Chemicals
• Other inspection equipment and devices

This product is a precision control sample for testing specific raw materials, ideal for internal quality control of allergen testing. It is a model processed food containing a certain amount of specific raw materials, primarily in powdered form made from polysaccharides and sake lees. A homogeneity test based on ISO 13528 has been conducted, demonstrating excellent homogeneity. As related products, we also offer Morinaga FASPEK ELISA 2 and Morinaga FASPEK specific raw material Western blot kits. Please use them together. For more details, please refer to the catalog below.

• Chemicals
• Other inspection equipment and devices

The 'Standard Solutions for Testing Instruments and Container Packaging' are reagents for food analysis. In the standards and criteria for instruments and container packaging under the Food Sanitation Act, analytical methods and standards are established for volatile substances, organic substances such as phthalate esters, and inorganic substances such as harmful metals. Our company offers a wide range of standard products that correspond to these testing methods. 【Product Lineup】 ◆ Volatile Substance Mixed Standard Solution ◆ Phthalate Ester Mixed Standard Solution For more details, please download the catalog or feel free to contact us.

• Chemicals

"Dioxins/Polychlorinated Biphenyls (PCBs) standard products" are reagents for environmental analysis. The government has provided guidelines to "reduce the concentration of dioxins emitted from municipal waste incinerators to the same level as the strictest in Europe," leading to strengthened regulations on dioxins and PCBs. Our company offers a variety of standard substances required for dioxin and PCB analysis to meet the needs of customers involved in environmental analysis. For example, we provide individual standard products for Mass Labelled PCDFs, PCDDs, and PCBs used as internal standards, as well as native PCDFs, PCDDs, and PCBs. We also accept requests for Custom Mixtures Solutions tailored to the specific purposes of our users. For more details, please download the catalog or feel free to contact us.

• Chemicals

The "chlorinated paraffin standard" is a reagent for environmental analysis. Our company has added chlorinated paraffin standards from the Dr. Ehrenstorfer brand manufactured by LGC to our lineup. 【New Product】 -NEW- ◆ Medium-chain and long-chain chlorinated paraffins Chlorinated paraffins with a carbon number of 14 to 17 are referred to as medium-chain chlorinated paraffins (MCCP), while those with a carbon number of 17 or more are called long-chain chlorinated paraffins (LCCP). ◆ Short-chain chlorinated paraffins (SCCP) These were used as plasticizers in polyvinyl chloride for metalworking oils and wire coatings, but due to their persistence, high bioaccumulation potential, and toxicity to humans and organisms, it was decided at the 8th Conference of the Parties (COP8) of the POPs Convention held in April 2017 to add them to Annex A (elimination) of the convention. Additionally, in Japan, they were designated as Class I specified chemical substances under the Chemical Substances Control Law in April 2018, and their manufacture and import are generally prohibited. Furthermore, in 2008, they were listed as a new substance proposed for addition under the RoHS Directive and identified as a substance of very high concern under REACH, with regulations tending to be strengthened. For more details, please download the catalog or feel free to contact us.

• Chemicals

To prevent water pollution and damage to plants and animals caused by pesticides used at golf courses, the use of pesticides must be strictly managed. Guidelines regarding the prevention of water pollution from pesticides used at golf courses and the protection of the living environment for aquatic plants and animals have been established (Notification No. 2003271 from the Ministry of the Environment, dated March 27, 2020). ◆ Water pollution guideline value (10 times the pesticide registration standard value related to water pollution) ◆ For pesticides that do not have a water pollution standard value, those for which a separate water pollution guideline value in drainage has been established ◆ Aquatic guideline value (10 times the pesticide registration standard value related to damage prevention for aquatic plants and animals) The Ministry of the Environment has published analytical methods for pesticides with established registration standard values, which are being updated sequentially. Our company offers standard products compatible with individual analytical methods and multi-component simultaneous analytical methods. For more details, please download the catalog or feel free to contact us.

• Chemicals

Our company handles reagents used for the analysis of alcoholic beverages as specified in the analytical methods (notifications) set by the National Tax Agency for food analysis. Please feel free to use them for the routine analysis of alcoholic beverage components. 【Product Lineup】 ☆ Total acidity (free acid) analysis reagent ☆ Amino acid analysis reagent ☆ Alcohol content analysis reagent ☆ Sulfur dioxide analysis reagent ☆ Reducing sugar analysis reagent ☆ Sugar analysis reagent ☆ Methyl alcohol analysis reagent ☆ Acetic acid analysis reagent ☆ Iron analysis reagent ☆ Sodium chloride analysis reagent ☆ Furfuryl alcohol analysis reagent ☆ Aroma component analysis reagent ☆ Aldehyde analysis reagent ☆ Acetaldehyde analysis reagent ☆ Sorbic acid analysis reagent In addition to the above, our company also handles reagents, culture media, testing equipment, and food additives related to the production of alcoholic beverages. Furthermore, we have a wide range of food analysis reagents for fats and fatty acids, as well as reagents for natural product chemistry research. For more details, please download our catalog or feel free to contact us. Please also consider us for contract manufacturing and bulk supply of various culture media. We will take your feedback into account to develop and propose new products.

• Chemicals

This product is prepared based on the mixing ratio specified in the Japanese Pharmacopoeia. It comes in a convenient 50 mL packaging unit for easy use. Please make use of it for quality control of reagents and effective use of space! For more details, please refer to the catalog below.

• Chemicals

This product is a food allergen testing kit specifically for wipe solutions and rinse water. You can test the wipe solution (water, phosphate-buffered saline) and rinse water after equipment cleaning directly. It allows for quick confirmation of food allergens in food manufacturing equipment. Please use it for creating line cleaning standards and inspections during line changes. *We also offer allergen testing kits for food and raw materials. Please feel free to contact us.

• Chemicals
• Other inspection equipment and devices

This is an improved testing kit for quantitative testing methods (Morinaga FASPEK specific ingredient measurement kit) that meets the validation criteria outlined in the Consumer Affairs Agency Deputy Director's notification regarding "Testing Methods for Foods Containing Allergens." This kit complies with the standards set forth in the "Guidelines for the Evaluation of Improved Methods for Testing Foods Containing Allergens" and can be used for testing foods that contain allergens. It allows for the quantification of egg, milk, wheat, buckwheat, and peanut proteins. *As products for food allergen testing, we also offer QC materials, NanoTrap Pro2/Easy, and Morinaga FASPEK specific ingredient western blot kits. Please feel free to contact us.

• Chemicals

This product is an ELISA kit for the quantitative detection of proteins derived from specific allergens in food (eggs, milk, wheat, buckwheat, peanuts). It complies with the guidelines of the notification from the Deputy Director of the Consumer Affairs Agency regarding "Testing Methods for Foods Containing Allergens." It offers excellent specificity and can be measured with high sensitivity. It does not contain any toxic substances, so it can be used safely. For more details, please refer to the catalog below.

• Chemicals
• Other inspection equipment and devices

We have newly added "soybeans" to the list of inspection targets! This product is a food allergen detection kit that accurately detects food allergens in food with high sensitivity. It comes in a pack of 5 test kits and 5 swab tubes (PBS), allowing for immediate wipe tests. We offer kits for 5 tests and 20 tests, utilizing 7 specific allergenic ingredients, so you can purchase a product according to your usage frequency. For more details, please refer to the catalog below. *As food allergen detection kits, we offer Allergen Eye ELISA 2, Allergen Eye Immunochromatography [heated], and Allergen Eye Immunochromatography Single Step.

• Chemicals
• Other inspection equipment and devices

The "Standard Solution for Analyzing Aldehydes" is for measuring air pollutants. Several aldehydes are listed in regulations and guidelines related to chemical substances in indoor air pollution, specific odor substances under the Odor Prevention Law, and harmful air pollutants. The analysis of these aldehydes is conducted by collecting them using a 2,4-DNPH impregnated cartridge adsorbent and derivatizing them into aldehyde-DNPH compounds. The DNPH-derivatized compounds are then separated and analyzed using GC or LC equipment. We provide standard substances and internal standards used in the "Manual for Measuring Harmful Air Pollutants" (Revised March 2019) published by the Ministry of the Environment, specifically in Chapter 1 of Part 4, "Measurement Methods for Formaldehyde and Acetaldehyde in the Atmosphere." For more details, please download the catalog or feel free to contact us.

• Chemicals

The "VOCs Analysis Standard Solution" is a reagent for indoor environmental measurement. The Ministry of Health, Labour and Welfare has established guidelines for indoor air pollution, including reference values for the indoor concentration of numerous chemical substances and standard measurement methods. The reference values for indoor concentration continuously change qualitatively and quantitatively due to the evolution of household products, leading to the ongoing addition and revision of substances. Our company sells standard solutions and internal standard solutions related to the measurement of indoor concentration values. Please make use of them for measuring indoor environments. 【Product Lineup】 ◆ VOCs Mixed Standard Solution IV (10-component mixture) ◆ VOCs Mixed Standard Solution (45-component mixture) ◆ Tetradecane Standard ◆ Toluene-d8 Standard Solution For more details, please feel free to contact us.

• Chemicals

The "Standard Solution for PAHs Analysis" is a reagent for environmental and food analysis. PAHs (polycyclic aromatic hydrocarbons) are a general term for compounds that contain two or more benzene rings and originate from sources such as the combustion of fossil fuels and organic matter. Some PAHs have been reported as carcinogenic compounds. Our company offers a wide range of products, including PAHs standards and stable isotopes, as well as Nitro-PAHs, Amino-PAHs, Hydroxy-PAHs, and Halogen-PAHs. We provide mixed standard solutions and standard kits. In addition to our products, we also handle products from Accu Standard, Dr. Ehrenstorfer, and C/D/N Isotopes, offering a rich lineup. You can choose according to your analysis needs. For more details, please download the catalog or feel free to contact us.

• Chemicals

Regarding azo dyes that form specific amines (24 types) which are pointed out to have carcinogenic properties, measures are being taken to encourage restraint in their use in textile products and other areas from the perspective of preventing health damage. Our company offers a wide range of mixed standard solutions and standards used for the analysis of these specific amines, as well as the reagents necessary for this testing. In JIS L1940 (Textile Products - Quantitative Method for Specific Aromatic Amines Derived from Azo Dyes), benzidine-d8 is designated as the internal standard solution for amines eluted in the latter part of the analysis. On the other hand, "benzidine and its salts" fall under harmful substances prohibited from manufacturing under the Industrial Safety and Health Act, and manufacturing, importing, or using them in excess of 1% (weight%) is prohibited. We have begun handling products from LGC Standards Ltd. (Dr. Ehrenstorfer) as "standard solutions not exceeding 1% (weight%)". For more details, please download the catalog or feel free to contact us.

• Chemicals

The "Standard Products for the Analysis of Organic Tin Compounds" are reagents for environmental analysis. Organic tin compounds are used as antifouling paints and agents for ship bottoms and fishing nets, but they are highly toxic and do not decompose in the environment, leading to marine and water pollution issues. Our company offers a range of products including "Tri-n-butyl tin chloride standard solution," "Triphenyl tin chloride standard solution," and other organic tin compounds, which we would like to introduce below. 【Product Lineup】 ◆ n-Butyl tin trichloride standard ◆ Dibutyl tin dichloride standard ◆ Dibutyl tin oxide standard ◆ n-Octyl tin dichloride standard ◆ Triphenyl tin acetate standard ◆ Triphenyl tin hydroxide standard ◆ n-Octyl tin trichloride standard ◆ Tetrabutyl tin standard ◆ Tetrabutyl tin-d36 ◆ Tributyltin chloride-d27 ◆ Tri-n-butyl tin chloride standard solution ◆ Tributyltin oxide standard ◆ Triphenyl tin chloride standard ◆ Triphenyl tin chloride standard solution In addition, we also handle a wide range of reagents for environmental analysis related to pesticide residue testing, PCB testing, special grade reagents, and standard products. For more details, please download our catalog or feel free to contact us.

• Chemicals

Food additives are essential items in today's food for enhancing flavor, appearance, shelf life, and fortifying nutritional components. Our company offers a variety of small packaging options so that you can use them from the research and development stage or for small-scale trials. Additionally, we can accommodate custom-made requests such as packaging specifications, mixing, and solution preparation, so please feel free to contact us.

• others

Food additives are essential items in today's food for enhancing flavor, appearance, shelf life, and nutritional content. Our company offers a variety of small-sized packaging options so that you can use them from the research and development stage to small-scale production. Additionally, we can accommodate custom-made requests for packaging specifications, mixing, and solution preparation, so please feel free to contact us.

• others

Food additives are essential items in today's food for enhancing flavor, appearance, preservation, and nutritional content. Our company offers a variety of small packaging options so that you can use them from the research and development stage to small-scale production. Additionally, we can accommodate custom-made requests for packaging specifications, mixing, and solution preparation, so please feel free to contact us.

• others

Food additives are essential items in today's food for enhancing flavor, appearance, preservation, and nutritional components. Our company offers a variety of small-capacity packaging options so that you can use them from the research and development stage or for small-scale trials. Additionally, we can accommodate custom-made requests for packaging specifications, mixing, and solution preparation, so please feel free to contact us.

• others

Cyclodextrin is a cyclic oligosaccharide composed of glucose units synthesized from starch through enzymatic reactions. It is classified as α, β, or γ-cyclodextrin based on the size of the ring. This bucket-shaped molecule has unique properties, with a hydrophilic outer surface and a hydrophobic inner surface, allowing it to encapsulate various molecules (inclusion) and release them (sustained release).

• Chemicals
• others

Our company handles standard microbial strains from Microbiologics. Microbiologics is one of the world's leading manufacturers of freeze-dried microorganisms, offering over 700 standard strains derived from ATCC (American Type Culture Collection) and other microbial strain preservation organizations. Microbiologics guarantees that, under a licensing agreement with ATCC, the strains used for quality control of microbiological media and as references for various testing methods using microorganisms have performance and standards equivalent to those of ATCC-derived strains. Additionally, these strains can be used as standard strains in sterility testing methods listed in the Japanese Pharmacopoeia, microbiological potency testing methods for antibiotics, as well as in microbiological testing according to the Ministry of Health, Labour and Welfare's food inspection guidelines and CLSI (Clinical and Laboratory Standards Institute) guidelines. For more details, please refer to the catalog below.

• others

This product is a powdered medium available in 100g packages, developed in response to customer feedback. Additionally, by including a desiccant, you can use it with peace of mind without worrying about disposal due to moisture absorption. Even powdered media that are used in small amounts can be fully utilized, so please take advantage of it for reducing waste, effectively utilizing storage space, and managing reagents. For more details, please refer to the catalog below.

• others
• Chemicals

This product is a medium where colonies develop color due to enzymatic reactions. It is equivalent to Soybean Casein Digest Agar (SCDA) used in microbial testing as specified by the Japanese Pharmacopoeia. We have confirmed its suitability for testing, allowing for microbial tests with higher added value than SCDA. Additionally, it can also be used for environmental monitoring. Please utilize it for creating contamination maps and assessing microbial contamination risks. For more details, please refer to the catalog below.

• others
• Chemicals

The "pH Measurement Related Products" are reagents used in testing methods targeting the water quality standard item "pH value." 【Product Lineup】 Carbonate pH Standard Solution (Type 2) pH 10.01 Oxalic Acid pH Standard Solution (Type 2) pH 1.68 Neutral Phosphate pH Standard Solution (Type 2) pH 6.86 Neutral Phosphate pH Standard Solution (Type 1) pH 6.865 Phosphate pH Standard Solution (Type 2) pH 7.41 Phthalate pH Standard Solution (Type 1) pH 4.008 Phthalate pH Standard Solution (Type 2) pH 4.01 Boric Acid pH Standard Solution (Type 2) pH 9.18 *The above pH standard solutions are traceable to specific standard substances (national measurement standards) based on Article 134 of the Measurement Act. 【Packaging】 ◇2L Cost reduction through large capacity ◇500mL ◇100mL ☆Recommended☆ - Single-use, so no need to verify stability after opening - Wide-mouth bottle allows direct insertion of pH electrodes, saving time as there is no need for transfer - No worries about contamination. There is no risk of cross-contamination or degradation after opening For more details, please download the catalog or feel free to contact us.

• Chemicals
• Water quality testing