Normal-phase silica used in high-efficiency liquid chromatography (HPLC) analysis and purification production.
Normal-phase silica packing materials are manufactured using a unique patented technology and are designed for use in monodisperse, highly porous, high-purity silica chromatography columns. They can meet various needs such as high-efficiency liquid chromatography (HPLC) analysis and industrial production. They have high uniformity in particle size, are spherical in shape, possess excellent mechanical strength, and come in various specifications. Additionally, they are easy to pack into columns, offer high column efficiency, high resolution, and low pressure loss, making them widely used in chromatography analysis and industrial production of organic compounds, natural substances, and biopolymers. We offer four types of normal-phase silica chromatography packing materials: unmodified silica hydroxyl packing material, and three modified packing materials with bonded diol, aminopropyl, and cyano-propyl groups. These are used for the separation and purification of different polar compounds, making the separation of polar compounds particularly easy.
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We are leading the development of mass production technology, providing high quality at low prices.
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Applications/Examples of results
Ultra-pure porous silica is primarily used for the separation and purification of organic small molecules, fat-soluble vitamins, and tocopherols in size exclusion chromatography (SEC), complementing normal phase silica. It is also used in normal phase, reverse phase, and weak anion exchange for the separation and purification of sugars, nucleic acids, and water-soluble vitamins. Compared to bare silica, it allows for faster equilibrium and has consistent surface activity, making it a substitute for normal phase silica in the separation and purification of proteins, steroids, and more.
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Mishima International Trade Co., Ltd. has started selling Chinese-made microparticle products in Japan. Microparticle products of arbitrary sizes from 5nm to 1000μm: CV < 3.5, organic, inorganic or material, functional group bonding, and diverse morphology.