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。
Polyethylene Terephthalate
Catalog # | Mw | Mn | Mz | IV* (dl/gm) | Qty. |
PET63K | 63,500 | 30,000 | 99,000 | 0.945 | 1.0g |
PET49K | 49,200 | 25,600 | 72,800 | 0.685 | 1.0g |
PET39K | 39,000 | 21,000 | 69,000 | 0.630 | 1.0g |
PET27K | 27,400 | 15,400 | 47,100 | 0.511 | 1.0g |
IV* - Intrinsic Viscosity in o-chlorophenol at 25°C
Mark-Houwink Parameters: a = 0.658; K = 0.000631