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As an acid, it has a 3,5-dinitrobenzoyl group, and furthermore, OA-2500 and OA-2500I have a naphthyl group as a base. It separates optical isomers through charge transfer and hydrogen bonding interactions.

• Analytical Equipment and Devices

A naphthyl group is used as a Π base in the chiral selector, which has chiral centers in both the amine part (1-naphthyl ethylamine) and the amino acid part (valine), allowing for chiral discrimination through charge transfer and hydrogen bonding interactions.

• Analytical Equipment and Devices

This is an ODS column made from crushed porous glass manufactured based on the technology our company has cultivated over many years.

• Analytical Equipment and Devices

The chiral selector uses a naphthyl group as a Π base, and both the amine part (1-naphthyl ethylamine) and the amino acid part (indoline-2-carboxylic acid) have chiral centers, enabling chiral discrimination through charge transfer and hydrogen bonding interactions.

• Analytical Equipment and Devices

Optical isomers present in various bioactive substances (such as pharmaceuticals, pesticides, and fragrances) that are deeply related to our daily lives are known to exhibit significantly different biological activities between isomers, increasing the necessity for the analysis and separation of optical isomers. The "SUMICHIRAL OA series" HPLC columns for the separation of optical isomers are gaining attention in fields such as pharmaceuticals and pesticides.

• Analytical Equipment and Devices

This is a column for the separation of optical isomers, where cyclodextrin derivatives are chemically bonded to silica gel. It encapsulates solutes in the cavity of the molecule and distinguishes optical isomers through asymmetry in the sugar. OA-7000 uses sugar chains as spacers, resulting in superior separation ability and peak shape compared to conventional cyclodextrin stationary phases.

• Analytical Equipment and Devices

The chiral selector uses a naphthyl group as a Π base, possessing chiral centers in both the amine part (1-naphthyl ethylamine) and the amino acid part (tert-leucine), enabling chiral discrimination through charge transfer and hydrogen bonding interactions.

• Glassware and containers

The chiral selector uses a naphthyl group as a Π base, possessing chiral centers in both the amine part (1-naphthyl ethylamine) and the amino acid part (proline), enabling chiral discrimination through charge transfer and hydrogen bonding interactions.

• Analytical Equipment and Devices

This is a general-purpose column made from high-purity silica gel manufactured based on the technology our company has cultivated over many years. The SUMIPAX ODS series offers a wide range of high-performance columns, each with different characteristics. We believe that by selecting the optimal column from a variety of options with differing specificities, we can meet all analytical needs.

• Analytical Equipment and Devices

This is a high-performance optical isomer separation column in which proteins with optical recognition ability are immobilized on spherical silica gel with a particle diameter of 5 μm. These columns are highly versatile and can separate many optical isomers using a single type of column. <Immobilized proteins (chiral selectors)> AGP: α1-acid glycoprotein CBH: Cellobiohydrolase HSA: Human serum albumin

• Analytical Equipment and Devices

This is a general-purpose column made from high-purity silica gel manufactured based on the technology our company has cultivated over many years. The SUMIPAX ODS series offers a wide range of high-performance columns, each with distinct characteristics. We believe that by selecting the optimal column from a variety of options with different specificities, we can meet all analytical needs.

• Analytical Equipment and Devices

We will separate optical isomers using a stationary phase in which a chiral crown ether with a skeleton of 18-crown-6 is chemically bonded to silica gel, based on host-guest interactions.

• Analytical Equipment and Devices

This is a preparative column made from high-purity silica gel manufactured based on the technology our company has cultivated over many years. The SUMIPAX ODS series offers a wide range of high-performance columns, each with distinct characteristics. We believe that by selecting the optimal column from a variety of options with different specificities, we can meet all your preparative needs.

• Analytical Equipment and Devices

This is a general-purpose column made from high-purity silica gel manufactured based on the technology our company has cultivated over many years. The SUMIPAX ODS series offers a wide range of high-performance columns, each with distinct characteristics. We believe that by selecting the optimal column from a variety of options with different specificities, we can meet all analytical needs.

• Analytical Equipment and Devices

Optical isomers are separated by utilizing the energy difference during the formation of coordination bonds between the solute and the stationary phase (penicillamine derivative) through Cu(II) metal atoms.

• Analytical Equipment and Devices

This is a general-purpose column made from high-purity silica gel manufactured based on the technology our company has cultivated over many years. The SUMIPAX ODS series offers a wide range of high-performance columns, each with distinct characteristics. We believe that by selecting the optimal column from a variety of options with different specificities, we can meet all analytical needs.

• Analytical Equipment and Devices

The OA-3000 series has a 3,5-dinitrophenylurea group as a Π acid, and chiral discrimination is performed through charge transfer and hydrogen bonding in a non-aqueous reverse phase.

• Analytical Equipment and Devices

The "Monolithic ODS Column Chromolith RP-18" manufactured by MERCK is a ligand-exchange type column for optical isomer separation, coated with the chiral selector SUMICHIRAL OA-5000. Monolithic HPLC columns use a cylindrical silica continuum instead of a 3-5 μm silica gel support. This silica continuum consists of a structure of macropores (approximately 2 μm) and mesopores (approximately 13 nm), with a high porosity of about 80%. By using this monolithic column as the substrate for the stationary phase of a chiral column, excellent characteristics can be achieved.

• Analytical Equipment and Devices

We manufacture and sell world-leading HPLC columns. The separation in high-performance liquid chromatography is greatly influenced by the characteristics of the column. Utilizing advanced technology and years of accumulated know-how, we support our customers from analysis to fractionation. The optical isomer separation column "SUMICHIRAL OA Series" has become an essential HPLC column in the pharmaceutical and pesticide fields. 【Features】 - Direct separation of optical isomers is possible, achieving excellent separation. - By changing the absolute configuration of the chiral selector in the column, the elution order of isomers can be reversed (excluding some columns). - The chiral selector is chemically stable as it is covalently bonded to silica gel (excluding some columns). We have launched a new product, 'OA-5000'. 【Features】 - The theoretical plate number has improved to 1.5 times that of conventional products (equivalent to a particle-filled column with a particle size of 3.5μm). - The column pressure is less than one-third of that of conventional products, allowing for increased flow rates during measurement. - Columns can be connected up to approximately 45 cm. - Ideal for analyzing samples with strong retention (such as dicarboxylic acids). *For details, please refer to "Request for Materials" or "Catalog Download."

• others

This is a new HPLC filter with a guard column function. Unlike conventional guard columns filled with packing material, this product uses a solid-type porous glass filter. There are PG-ODS with an ODS-treated surface and end-capped, and PG-OH that utilizes the porous glass substrate as is. <Product Composition> [Starter Kit] 1 SUS holder, 1 filter, [Replacement Filters] 8 pieces, [Holder] SUS holder, [Connection Kit] 2 ferrule screws, 1 PEEK tube.

• Analytical Equipment and Devices

It is a filler in which cyano propyl groups are chemically bonded to high-purity silica gel and end-capped, and then packed under high pressure.

• Analytical Equipment and Devices

This is the comprehensive catalog of columns from Sumika Chemical Analysis Service, Ltd.

• Separation device

This is a general-purpose column made from high-purity silica gel manufactured based on the technology our company has cultivated over many years. The SUMIPAX ODS series offers a wide range of high-performance columns, each with distinct characteristics. We believe that by selecting the optimal column from a variety of options with different specificities, we can meet all analytical needs.

• Analytical Equipment and Devices

Optical isomers are separated by utilizing the energy difference during the formation of coordination bonds between the solute and the stationary phase (tartrate derivative) through Cu(II) metal atoms.

• Analytical Equipment and Devices

This is a general-purpose column made from high-purity silica gel manufactured based on the technology our company has cultivated over many years. The SUMIPAX ODS series offers a wide range of high-performance columns, each with distinct characteristics. We believe that by selecting the optimal column from a variety of options with different specificities, we can meet all analytical needs.

• Analytical Equipment and Devices

ION A-10 is a column filled with a packing material that has sulfonic groups on high-purity silica gel, while ION B-10 is a column filled with a packing material that has quaternary amino groups.

• Analytical Equipment and Devices

This is a column filled with high-purity silica gel manufactured based on the technology that our company has cultivated over many years.

• Analytical Equipment and Devices

It is a filler in which amino propyl groups are chemically bonded to high-purity silica gel and packed under high pressure.

• Analytical Equipment and Devices

This is a column filled with a filler in which a 3,5-dinitrophenyl group is covalently bonded to silica gel via a spacer.

• Analytical Equipment and Devices