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Column, LC, Shim-pack GIS Guard Column C18-P, 3um, 3.0x10 with Cartridge (2pcs) and Holder High Steric Selectivity. Shim-pack GIS C18-P is designed with a polymerically bonded octadecy group, which provides high steric selectivity for separation of planar and non-planar compounds. It achieves complete baseline separation of structurally similar compounds such as vitamin D2 and D3 because of the planarity recognition capability. Shim-pack GIS C18-P is also ideal for the HPLC analysis of 16 PAH compounds listed as target pollutants by the U.S. EPA. Bonded Phase Octadecyl Groups, Particle Size 3 ?m, 5 ?m, Pore Size 10 nm, Surface Area 450 m2/g, Carbon Loading 29 %, End-capping No, pH Range 2 - 7.5, USP Code L1.
Column, LC, Shim-pack GIS Guard Column HILIC, 3um, 4.0x10 with Cartridge (2pcs) and Holder Ideal for the Separation of Highly Polar Basic Compounds. Shim-pack GIS HILIC is designed for Hydrophilic Interaction Liquid Chromatography (HILIC). It is chemically bonded with a diol group, which provides excellent peak shape for basic and neutral polar compounds. In addition, HILIC is a variation of normal phase mode. It is capable of using organic solvents mixed with water as mobile phase, while normal phase mode uses nonaqueous organic solvents. In HILIC, the higher the organicconcentration in the solvents, the greater is the retention of highly polar compounds. Bonded Phase Diol Groups, Particle Size 3 ?m, 5 ?m, Pore Size 10 nm, Surface Area 450 m2/g, Carbon Loading 20 %, End-capping No, pH Range 2 to 7.5, USP Code L20.
Column, LC, Shim-pack GIS Guard Column HILIC, 3um, 4.0x20 with Cartridge (2pcs) and Holder Ideal for the Separation of Highly Polar Basic Compounds. Shim-pack GIS HILIC is designed for Hydrophilic Interaction Liquid Chromatography (HILIC). It is chemically bonded with a diol group, which provides excellent peak shape for basic and neutral polar compounds. In addition, HILIC is a variation of normal phase mode. It is capable of using organic solvents mixed with water as mobile phase, while normal phase mode uses nonaqueous organic solvents. In HILIC, the higher the organicconcentration in the solvents, the greater is the retention of highly polar compounds. Bonded Phase Diol Groups, Particle Size 3 ?m, 5 ?m, Pore Size 10 nm, Surface Area 450 m2/g, Carbon Loading 20 %, End-capping No, pH Range 2 to 7.5, USP Code L20.
Column, LC, Shim-pack GIS Guard Column HILIC, 3um, 3.0x10 with Cartridge (2pcs) and Holder Ideal for the Separation of Highly Polar Basic Compounds. Shim-pack GIS HILIC is designed for Hydrophilic Interaction Liquid Chromatography (HILIC). It is chemically bonded with a diol group, which provides excellent peak shape for basic and neutral polar compounds. In addition, HILIC is a variation of normal phase mode. It is capable of using organic solvents mixed with water as mobile phase, while normal phase mode uses nonaqueous organic solvents. In HILIC, the higher the organicconcentration in the solvents, the greater is the retention of highly polar compounds. Bonded Phase Diol Groups, Particle Size 3 ?m, 5 ?m, Pore Size 10 nm, Surface Area 450 m2/g, Carbon Loading 20 %, End-capping No, pH Range 2 to 7.5, USP Code L20.
Column, LC, Shim-pack GIS Guard Column HILIC, 3um, 3.0x20 with Cartridge (2pcs) and Holder Ideal for the Separation of Highly Polar Basic Compounds. Shim-pack GIS HILIC is designed for Hydrophilic Interaction Liquid Chromatography (HILIC). It is chemically bonded with a diol group, which provides excellent peak shape for basic and neutral polar compounds. In addition, HILIC is a variation of normal phase mode. It is capable of using organic solvents mixed with water as mobile phase, while normal phase mode uses nonaqueous organic solvents. In HILIC, the higher the organicconcentration in the solvents, the greater is the retention of highly polar compounds. Bonded Phase Diol Groups, Particle Size 3 ?m, 5 ?m, Pore Size 10 nm, Surface Area 450 m2/g, Carbon Loading 20 %, End-capping No, pH Range 2 to 7.5, USP Code L20.