SEC Standards

Calibration standard for aqueous SEC (GFC). Unbranched pullulan standard (polysaccharide). High solubility in water eliminates the possibility of recrystallization. Available as kit STANDARD P-82 with 8 different MW. MW 800000, 400000, 200000, 100000, 50000, 20000, 10000, 5000 Product name: STANDARD P-82 Material: Pullulan Size: 0.2 g x 8 kinds MW: 5,000 - 800,000

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Calibration standard for organic SEC (GPC). Less branched polystyrene (polymer) with anionic polymerization. Easily soluble in tetrahydrofuran (THF), chloroform, toluene, and o-dichlorobenzene (ODCB). Available as three different kits for low, medium and high MW: STANDARD SL-105 (MW range 580 - 25,000), SM-105 (MW range 1,000 - 2,500,000), SH-75 (MW range 600,000 - 7,000,000).   Product name: STANDARD SL-105 Material: Polystyrene Size: 0.5 g x 10 kinds MW range: 580 - 25,000

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Calibration standard for organic SEC (GPC). Less branched polystyrene (polymer) with anionic polymerization. Easily soluble in tetrahydrofuran (THF), chloroform, toluene, and o-dichlorobenzene (ODCB). Available as three different kits for low, medium and high MW: STANDARD SL-105 (MW range 580 - 25,000), SM-105 (MW range 1,000 - 2,500,000), SH-75 (MW range 600,000 - 7,000,000). Product name: STANDARD SM-105 Material: Polystyrene Size: 0.5 g x 10 kinds MW range: 1,000 - 2,500,000

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Calibration standard for organic SEC (GPC). Less branched polystyrene (polymer) with anionic polymerization. Easily soluble in tetrahydrofuran (THF), chloroform, toluene, and o-dichlorobenzene (ODCB). Available as three different kits for low, medium and high MW: STANDARD SL-105 (MW range 580 - 25,000), SM-105 (MW range 1,000 - 2,500,000), SH-75 (MW range 600,000 - 7,000,000). Product name: STANDARD SH-75 Material: Polystyrene Size: 0.5 g x 7 kinds MW range: 600,000 - 7,000,000

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Calibration standard for organic SEC (GPC). Polymethylmethacrylate (PMMA) - polymer with narrow molecular weight distribution range. Easily soluble in hexafluoroisopropanol (HFIP) and dimethylformamide (DMF). Also usable in THF, toluene, methyl ethyl ketone, ethyl acetate, DMF, DmAc. Available as kit STANDARD M-75 with 7 different MW (3,000 - 1,000,000).   Product name: STANDARD M-75 Material: Polymethylmethacrylate Size: 0.5 g x 7 kinds MW range: 3,000 - 1,000,000

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