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。
Hydroxyethyl Cellulose
Catalog # | Mw | Mn | Mz | IV* (dl/gm) | Qty. |
HEC510K | 510,600 | 168,500 | 942,000 | 8.463 | 250mg |
HEC450K | 449,000 | 205,000 | 705,000 | 7.812 | 250mg |
HEC425K | 425,000 | 157,300 | 720,600 | 7.411 | 250mg |
HEC380K | 380,000 | 147,400 | 663,800 | 6.834 | 250mg |
HEC121K | 121,700 | 23,300 | 370,100 | 3.686 | 250mg |
HEC36K | 36,000 | 11,400 | 90,150 | 1.500 | 250mg |
IV* - Intrinsic Viscosity in 0.05M Sodium Nitrate at 30°C