 |
| Menge: | |
|---|---|
DY9691
7775-14-6
231-890-0
H2O4S2.2Na
sodium dithionite
| Index Name | Specifications |
| Appearance | White powder |
| Na2S2O5 | 90%MIN |
| Fe | 20ppm max |
| Zinc(Zn) | 1ppm max |
| Other heavy metals | 1ppm max |
| Water Insolubles | 0.05%max |
| Na2S2O5 | 5.0-7.0%max |
| Na2CO3 | 0.6-2.0%max |
| Na2S2O3 | 1.2%max |
| Na2SO3 | 0.5%max |
| Index Name | Specifications |
| Appearance | White powder |
| Na2S2O5 | 90%MIN |
| Fe | 20ppm max |
| Zinc(Zn) | 1ppm max |
| Other heavy metals | 1ppm max |
| Water Insolubles | 0.05%max |
| Na2S2O5 | 5.0-7.0%max |
| Na2CO3 | 0.6-2.0%max |
| Na2S2O3 | 1.2%max |
| Na2SO3 | 0.5%max |