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 |
GBW04449 | 硒同位素溶液标准物质 | 2mL | 78Se/76Se:0.102274±0.000051; 80Se/76Se:0.101196±0.000035; 82Se/76Se:0.101567±0.000049; 74Se/76Se:0.002127±0.000037; 77Se/76Se:0.017375±0.000004 |