产品介绍：
产品说明
一般描述
Type: Wieninger catalyst Composition:
Na2SO4 96.5%
CuSO4 1.5%
Se 2.0%
分析说明
Appearance: grey tablets
Application test: conforms
Grey colour of the product is caused by raw material and does not affect the application.
产品性质
| 质量水平 | 100 |
| specific analyte(s) | nitrogen |
| technique(s) | photometry: suitable |
| pH值(酸碱度) | 5 (20 ℃, 200 g/L in H2O) |
| 溶解性 | 200 g/L |
| 储存温度 | no temp limit |
安全信息
| 危险声明 | H412 |
| 预防措施声明 | P273 - P501 |
| 危险分类 | Aquatic Chronic 3 |
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | WGK 3 |
| 闪点(F) | Not applicable |
| 闪点(C) | Not applicable |
