河北飞凫标品科技有限公司
编号/Number | 中文名称 | Name | 规格/Units | 特性量/Properties |
GBW(E)050001 | 窄分布聚苯乙烯分子量标准物质 (25℃) |
Polystyene(narrow molecular weight distribution) | 0.2g | 数均分子量(number-average molecular weight):4.18×104 g/mol,U=0.2%;重均分子量 (weight-average molecular weight):4.63×104 g/mol, U=0.6%;特性粘数(intrinsic viscosity):27.15ml/g,U=0.24% |