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上海西宝生物科技有限公司（Seebio）是美国聚合物标准品公司（APSC）的中国区官方授权代理。主要提供有机凝胶色谱标准品（Organic GPC/SEC Standards）和水性凝胶色谱标准品（Aqueous GPC/SEC Standards）两类产品。
Cationic, Narrow MWD | |||||
Catalog # | Mp | Mw | Mn | IV* (dl/gm) | Qty. |
PVP1250K | 1,250,000 | 1,300,000 | 825,000 | 10.382 | 250mg |
PVP550K | 550,000 | 570,000 | 390,000 | 5.050 | 250mg |
PVP250K | 250,000 | 275,000 | 165,000 | 2.625 | 250mg |
PVP160K | 160,000 | 170,000 | 96,300 | 1.733 | 250mg |
PVP155K | 155,000 | 151,000 | 116,600 | 1.618 | 250mg |
PVP150K | 145,600 | 159,000 | 114,400 | 1.650 | 250mg |
PVP80K | 75,000 | 88,600 | 59,100 | 0.859 | 250mg |
PVP70K | 68,000 | 70,000 | 58,300 | 0.786 | 250mg |
PVP35K | 35,000 | 34,700 | 24,100 | 0.398 | 250mg |
PVP12K | 12,300 | 12,800 | 9,200 | 0.156 | 250mg |
PVP7K | 7,500 | 7,600 | 5,600 | 0.098 | 250mg |
PVP3K | 2,900 | 3,300 | 2,550 | 0.045 | 250mg |
Cationic, Broad MWD | |||||
Catalog # | Mw | Mn | Mz | IV** (dl/gm) | Qty |
PVP400K | 400,000 | 72,500 | 650,000 | 0.50 | 1.0g |
PVP188K | 188,000 | 58,000 | 285,000 | 0.45 | 1.0g |
PVP79K | 79,200 | 26,500 | 170,000 | 0.29 | 1.0g |
PVP45K | 45,000 | 20,000 | 80,000 | 0.17 | 1.0g |
Catalog # | Kit Description |
PVPKIT | 250mg of PVP3K - PVP1250K |
IV* - Intrinsic Viscosity in 0.1M Sodium Formate at 25°C
IV** - Intrinsic Viscosity in THF at 30°C
Mark-Houwink Parameters
Narrow MWD: a = 0.93; K = 0.000025
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