河北飞凫标品科技有限公司
2mL/瓶 4~8度冷藏保存
编号/Number | 中文名称 | 规格/Units | 特性量/Properties |
GBW04448 | 硒同位素溶液标准物质 | 2mL | 78Se/76Se:0.050555±0.000024; 80Se/76Se:0.049379±0.000026; 82Se/76Se:0.051232±0.000027; 74Se/76Se:0.001234±0.000029; 77Se/76Se:0.009591±0.000008 |