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 CelluloseCatalog #MwMnMzIV* (dl/gm)Qty.HEC510K510,600168,500942,0008.463250mgHEC450K449,000205,000705,0007.812250mgHEC425K425,000157,300720,6007.411250mgHEC380K380,000147,400663,8006.834250mgHEC121K121,70023,300370,1003.686250mgHEC36K36,00011,40090,1501.500250mgIV* - Intrinsic Viscosity in 0.05M Sodium Nitrate at 30°C