Last Updated： Aggregation Period:Jul 15, 2026～Aug 11, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Jul 15, 2026～Aug 11, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Jul 15, 2026～Aug 11, 2026
This ranking is based on the number of page views on our site.
1～24 item / All 24 items
This is a special report on "Tobacco Smoke SPME-GCxGC-TOFMS."
At LECO Japan, we will pick up samples that are expected to enhance the accuracy, efficiency, and safety of your analysis operations using LECO's analytical instruments, and we will present them as a special report. Please take a look. If you would like to know whether similar samples can be applied, please feel free to contact us.
![[Analysis Case] Molecular Structure Analysis of Liquid Crystal Materials](https://image.mono.ipros.com/public/product/image/2ad/2000830398/IPROS53507899236982796538.png?w=280&h=280)
It is possible to estimate the structure of liquid crystal molecules in liquid crystal displays using GC/TOFMS.
The response speed, driving voltage, and reliability characteristics of liquid crystal panels are attributed to the molecular structure of the liquid crystals. Therefore, analyzing the details of the molecular structure is essential for controlling the display characteristics of liquid crystal panels. Here, we introduce a case where the liquid components in commercially available panels were extracted and structurally estimated using GC/TOFMS. Approximately 10 components, including liquid crystal materials that exhibit negative dielectric anisotropy, were estimated from precise mass information. Measurement method: GC/MS Product fields: Displays, televisions, projectors Analysis objectives: Market research, molecular structure evaluation, degradation investigation For more details, please download the materials or contact us.
We propose a more accurate treatment flow for water and wastewater that is suitable for the region based on water quality analysis.
To handle water, which is the source of life, rigorous analysis, inspection, and evaluation are essential. The analysis center acts as a checkpoint for water quality and contaminants, monitoring various processes, providing necessary feedback, and supporting quality and optimization. As a part of the Development Headquarters, which is at the core of the technology of Maezawa Industrial Co., Ltd., we possess excellent technology in measuring disinfection by-products such as trihalomethanes, harmful metals, and testing pathogenic microorganisms including Cryptosporidium. Additionally, based on this technology, we are actively engaged in the registration of water quality inspection agencies under Article 20 of the Water Supply Act, environmental measurement certification business (concentration) registration, and O&M and PFI projects focused on private outsourcing in the maintenance and management of water supply and sewage systems. For more details, please contact us or refer to our catalog.
Connect columns with different polarities in series and analyze! Introducing the measurement results of tar samples!
Our company is engaged in the analysis solution business, and this document presents the results of measuring tar samples using GCxGC-TOF/MS. GCxGC (comprehensive two-dimensional GC) is a method that connects columns with different polarities in series through a modulator for analysis. By performing boiling point separation in the 1st column and polarity separation in the 2nd column, it is possible to rapidly expand compound groups in two dimensions. [Contents] ■ Overview ■ Analysis of tar beverages - Qualitative - Semi-quantitative *For more details, please refer to the PDF document or feel free to contact us.
Introducing examples of analyzing odor components in the environment of living spaces and work sites!
Our company is engaged in the analysis solutions business. This document presents the analysis results obtained when identifying and quantitatively analyzing odor components in the environment of living spaces and workplaces, as well as odor components emitted from products. We conducted identification and quantitative analysis of components adsorbed onto solid-phase adsorption cartridges using thermal desorption gas chromatography-mass spectrometry. [Contents] ■ Overview ■ Odors from food packaging containers: Analysis of odor components from egg cartons ■ Environmental odors: Analysis of odor components from under the floor *For more details, please refer to the PDF document or feel free to contact us.
![[Case Study] Development of an mRNA Impurity Measurement Method Using Dual LC](https://image.mono.ipros.com/public/product/image/5d0/2001503005/IPROS3098837903499788185.png?w=280&h=280)
Efficiently examine separation conditions through method scouting; dual LC allows for the operation of ion exchange and ion-pair reversed-phase conditions within the same system.
The Thermo Scientific Vanquish Duo UHPLC system is a dual LC system equipped with two independent flow paths, allowing for parallel condition testing of different separation chemistries, such as the combination of ion exchange chromatography (IEX) and ion-pair reverse phase chromatography (IP-RP), within the same system. This technical document utilizes a method scouting kit to examine various ion-pairing agents, gradient conditions, pH, and column temperatures, achieving good peak shapes for mRNA and high-sensitivity detection of impurities. By simultaneously investigating IEX and IP-RP, it is possible to understand the separation characteristics of the sample, enabling efficient determination of separation conditions. With high separation capability and sensitivity, impurities can be effectively detected during post-transcription purification, allowing for reliable mRNA purification. **Features** - Simultaneous examination of two different separation chemistries (IEX and IP-RP) using the same device. - High-sensitivity detection of impurities in post-transcription purification through mRNA profiling. - Efficient determination of suitable separation conditions using the method scouting kit. - Examination of up to 10 solvents per column type to determine appropriate mobile phase conditions.
Diverse versatility from upstream to downstream.
The introduction of LC/MS in bioprocessing is progressing overseas. You might be thinking, "I use LC, but MS is difficult..." BioAccord is here to solve that concern. With its simple operability and high reproducibility, it is a recommended system for bioprocess engineers. Do you have any such impressions or questions? ■ Is evaluating aggregates sufficient with just LC? With LC/MS, you can also confirm the intact mass. ■ Is it enough to just confirm major post-translational modifications? With LC/MS, you can perform peptide mapping and post-translational modifications in a single analysis. ■ Is it sufficient to monitor only amino acids? With LC/MS, you can comprehensively detect components* in the culture medium, and integration with JMP is also possible. *Dependent on component concentration. ■ How do you preprocess samples taken from a bioreactor? It's easier than you think. After filtering out particulates, you can simply dilute with water or buffer to measure the intact mass of components and antibodies in the medium. Waters has a walk-up solution to automate this process. *For details, please download the catalog.
This is a special report on automatic peak identification by TSD using GC-MS.
At LECO Japan, we will pick up samples that are expected to enhance the accuracy, efficiency, and safety of your analysis operations using LECO's analytical instruments, and we will present them as a special report. Please take a look. If you would like to know whether similar samples can be applied, please feel free to contact us.
This is a special report on Arochlor 1260 GC-TOFMS.
At LECO Japan, we will pick up samples that are expected to enhance the precision, efficiency, and safety of your analysis operations using LECO's analytical instruments, and present them as a special report. Please take a look. If you would like to know whether similar samples can be applied, please feel free to contact us.
This is a special report on the "Analysis of Biodiesel."
At LECO Japan, we will pick up samples that are expected to enhance the precision, efficiency, and safety of your analysis operations using LECO's analytical instruments, and present them as a special report. Please take a look. If you would like to know whether similar samples can be applied, please feel free to contact us.
![[Information] Principles and Basics of GCMS](https://image.mono.ipros.com/public/product/image/6db/2000864422/IPROS54526158954403135640.png?w=280&h=280)
Simultaneous qualitative and quantitative analysis of multiple components in a single analysis! Introducing GCMS with a wide range of analytical sensitivity.
This document introduces GCMS, a gas chromatography device that uses mass spectrometry (MS) as a detector. It includes various topics such as suitable measurement targets for GCMS analysis, the advantages of GCMS, and its configuration. It also describes the fields of application for GCMS, making it easy to reference when considering implementation. 【Contents (partial)】 ■ What is GC? ■ What is GCMS? ■ Suitable measurement targets for GCMS analysis ■ Advantages of GCMS ■ Configuration of GCMS *For more details, please refer to the PDF document or feel free to contact us.
![[Analysis Case] Component Analysis of Lithium-Ion Secondary Battery Binders](https://image.mono.ipros.com/public/product/image/4e1/2000026083/IPROS3669472404663239622.jpg?w=280&h=280)
Identification of organic components by pyrolysis GC/MS.
Lithium-ion secondary batteries use a wide variety of materials, ranging from metals and inorganic substances to organic materials, and from solids to liquids. The physical properties and combinations of each material significantly reflect the characteristics and reliability of the device, making accurate analysis and evaluation of the materials necessary. In this study, the anode of the lithium-ion secondary battery was measured using pyrolysis GC/MS (pyro-GC/MS), and it was found that the binder material is based on SBR (styrene-butadiene latex). Additionally, decomposition products of the binder and aromatic substances presumed to be reaction products were also detected.
![[Analysis Case] Analysis of Smartphone Sealants by Pyrolysis GC/MS](https://image.mono.ipros.com/public/product/image/6a7/2000246610/IPROS3480187425868828986.jpg?w=280&h=280)
Analysis of UV-curable materials is possible through two-stage heating.
Using a two-stage heating method with thermal decomposition GC/MS, we analyzed the material of the sealing agent around the display of commercially available smartphones. By heating the sample at a low temperature (250°C) and measuring the gas components generated using GC/MS, we can detect residual monomers and low molecular weight additives (polymerization initiators, antioxidants). Subsequently, by heating at a high temperature (550°C), we can decompose the polymers and estimate their constituent components. This revealed that the sealing agent is made of a UV-curable material.
![[Case Study] Development of a Simultaneous Analysis Method for Pesticides](https://image.mono.ipros.com/public/product/image/a47/2000246839/IPROS454417306097361587.jpg?w=280&h=280)
We will develop a custom analysis method for the target component!
At MST, we can accept requests for the consideration and development of analytical methods based on customer needs. In this example, we developed a simultaneous analysis method for pesticide components in water. Traditionally, pesticide analysis has been complicated due to separate pretreatment and measurement methods for each component. If multiple components can be measured at once, it can reduce sample volume and analysis costs, enabling more efficient analysis. In this example, we established a method that allows for easy confirmation of the presence of approximately 70 pesticide components down to low concentration levels by using solid-phase extraction for pretreatment and LC/MS/MS for measurement.
![[Analysis Case] Analysis of Polyester by Reaction Thermal Decomposition GC/MS Method](https://image.mono.ipros.com/public/product/image/6cf/2000262455/IPROS313645478891385298.jpg?w=280&h=280)
Detailed structural analysis of polyester is possible.
When conducting structural analysis of condensation-type polymers such as polyester, the conventional thermal decomposition GC/MS method may result in complex decomposition products that do not allow for structural estimation. In such cases, the reactive thermal decomposition GC/MS method, which involves the coexistence of derivatization reagents during thermal decomposition, is effective. This example introduces the thermal decomposition of polyethylene terephthalate (PET) in the presence of tetramethylammonium hydroxide. While numerous peaks were observed with the conventional thermal decomposition method, the reactive thermal decomposition method detected simpler decomposition products that reflected the monomer structure.
![[Analysis Case] Structural Analysis of Polyimide Resin](https://image.mono.ipros.com/public/product/image/32d/2000262459/IPROS6779270322238354434.jpg?w=280&h=280)
Structural analysis of polyimide resin is possible using thermal decomposition GC/MS method.
Polyimide resin is excellent in heat resistance, chemical resistance, and toughness, and also has high insulation properties, making it used in various applications, including insulation materials for electronic devices. However, due to its almost non-existent solvent solubility, the analytical methods for structural determination are limited. This case introduces an example of thermal decomposition GC/MS measurement of commercially available polyimide resin. Multiple thermal decomposition products reflecting the polymer structure were observed in high-boiling components with long retention times, demonstrating that this method is a powerful means for structural determination.
It is an analytical method for separating and qualitatively and quantitatively analyzing optical isomers and cis-trans isomers.
The analysis of odor components is effective for evaluating the scent that characterizes a product and for identifying the causes of unpleasant odors. Many odor components exist as stereoisomers, and isomers can have completely different scents from each other. When distinguishing and analyzing stereoisomers, methods such as NMR may be used; however, this case will introduce an example using GC/MS. Chromatography allows for the clear separation and evaluation of target components from other components. Additionally, by using columns designed for isomer separation, it is possible to evaluate various stereoisomers that cannot be separated using general-purpose columns. Measurement method: GC/MS Product fields: Cosmetics, daily necessities, food, environment Analysis objectives: Composition evaluation, identification, product investigation For more details, please download the materials or contact us.
![[Analysis Case] Identification and Quantitative Evaluation of Solvents and Additives in LIB Electrolytes](https://image.mono.ipros.com/public/product/image/631/2001514200/IPROS1905503700661818577.jpg?w=280&h=280)
Qualitative and quantitative evaluation is possible from the sampling of the electrolyte.
The electrolyte of lithium-ion secondary batteries can be qualitatively and quantitatively analyzed using GC/MS. In the example below, ethylene carbonate (EC) and ethyl methyl carbonate (EMC) were identified as organic solvents, and vinylene carbonate (VC) was identified as an additive. It is also possible to determine the composition ratio of the solvents and the content of the additives. Additionally, other additives such as fluoroethylene carbonate (FEC) and ethylene sulfite (ES) can also be evaluated.
![[Document] Request for Equipment Analysis by HRGC/HRMS Method](https://image.mono.ipros.com/public/product/image/c0a/2000668505/IPROS27109956475967589628.png?w=280&h=280)
Measurements are conducted according to methods outlined in JIS and environmental survey manuals! A list of dioxin standard values and analysis methods is provided.
This document is a request form for instrumental analysis using high-resolution gas chromatography mass spectrometry (HRGC/HRMS). Measurements are conducted according to methods outlined in JIS and environmental survey manuals. Additionally, we are certified as a specific measurement certification business under MLAP and are committed to quality control. In the attached document, we provide a "List of Handled Analyzed Samples by Medium." For more details, please refer to the PDF download below. [Contents (partial)] ■ Report delivery address and contact information ■ Analysis sample details and reference materials ■ Details of exhaust gas ■ Details of working environment and ambient air ■ Invoice-related information ■ Delivery time *For more details, please refer to the PDF document or feel free to contact us.
Conduct qualitative analysis of the "main components of odor" and "allergen identification" generated from the sample.
We would like to introduce a case study regarding a complaint from a product user about health issues caused by the product. This investigation focused on the odor components of the product using a Headspace Gas Chromatography Mass Spectrometry (HS-GC-MS) system. A portion of the product was sealed in a container and heated to release odor components. The released odor components in the container were measured, and the detected components were analyzed. It was found that the detected odor components were substances that can cause allergies (limonene and menthol). Our company proposes appropriate methods tailored to customer requests and the characteristics of samples, providing reliable data backed by extensive experience and technical expertise. [Case Overview] - Measurement and qualitative analysis of volatile organic compounds containing odor components in the sample - Identification of the main odor components - Clarification of the volatile organic compounds generated *For more details, please download the PDF or feel free to contact us.
We buy analytical instruments such as liquid chromatography mass spectrometers! We also purchase old equipment, so please feel free to consult with us!
We buy and sell analytical instruments. We can also purchase very old types of analytical equipment and broken instruments, so please feel free to consult us. We have received joyful feedback such as, "Will you really buy such old equipment?!" We can conduct online meetings and assessments using various tools. Additionally, we can provide on-site assessments and purchases anywhere in Japan. Please feel free to contact us if you have any requests. 【Equipment We Handle】 ■ Chromatography analyzers ■ Optical analysis instruments ■ Vacuum equipment, electron microscopes ■ Bio-related analytical instruments ■ Food-related analytical instruments and equipment ■ Pharmaceutical and drug manufacturing equipment *For more details, please download the PDF or feel free to contact us.
We purchase analytical instruments such as gas chromatography mass spectrometers! We also buy old equipment, so please feel free to consult with us!
We buy and sell analytical instruments. We can also purchase very old types of analytical equipment and broken instruments, so please feel free to consult with us. We have received joyful responses such as, "Can you really buy such old equipment?!" We can conduct online meetings and assessments using various tools. Additionally, we can provide on-site assessments and purchases anywhere in Japan. Please feel free to contact us if you have any requests. 【Equipment We Handle】 ■ Chromatography analysis devices ■ Optical analysis devices ■ Vacuum equipment, electron microscopes ■ Bio-related analysis devices ■ Food-related analysis instruments and equipment ■ Pharmaceutical and drug manufacturing equipment *For more details, please download the PDF or feel free to contact us.
![[Case Study] Identification of Unknown Components Using Directly Introduced Probe High-Resolution GCMS](https://image.mono.ipros.com/public/product/image/b3f/2000745605/IPROS42394862835360127790.png?w=280&h=280)
Rapid identification of unknown components using high-resolution GCMS with a direct introduction probe without chromatography.
The detection and identification of compounds of unknown origin is challenging, often involving complex volcanic processes, and it takes time to obtain results. Additionally, high reliability is required for final identification, which necessitates the confirmation of multifaceted information. By measuring the molecular weight of chemical substances with sufficient accuracy, it is possible to determine the elemental composition and identify the chemical structure of the substance using isotope ratios and fragmentation patterns. Using high-resolution GCMS allows for the reliable detection of target components from complex matrices due to its high mass resolution and mass accuracy. This technical document introduces a method for reliably identifying unknown substances almost instantaneously. It connects a direct injection probe to our high-resolution GCMS (Orbitrap GC-MS system) and rapidly identifies compounds using both electron ionization and chemical ionization.
