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。
Polytetrahydrofuran
Catalog # | Mp | Mw | Mn | IV* (dl/gm) | Qty. |
PTHF9K | 9,000 | 8,950 | 5,600 | 0.185 | 1.0g |
PTHF6K | 6,000 | 5,950 | 2,100 | 0.136 | 1.0g |
PTHF4K | 3,650 | 3,900 | 1,500 | 0.105 | 1.0g |
PTHF1.5K | 1,500 | 2,400 | 1,100 | 0.078 | 1.0g |
PTHF1K | 900 | 1,250 | 550 | 0.057 | 1.0g |
IV* - Intrinsic Viscosity in THF at 30°C
Mark-Houwink Parameters: a = 0.548; K = 0.00128