Sodium sulfide
Khoom siv: Sodium sulfide
CAS Nr .: 1313-82-2
Formula: Na2S
Cov qauv qauv:
Daim ntawv thov:
Feem ntau yog siv rau textile, dyeing, mining, tanning, molting, paper-making, extracting of metals and medicine industries, thiab hais txog.
Specification:
| Yam khoom | STANDARD | |
| Na2S | ≥60.0% | ≥60.0% |
| Na2CO3 | ≤ 1.5% | ≤ 5% |
| Dej Insoluble | ≤ 0.05% | ≤ 0.4% |
| Fe | ≤30ppm | 1500 ppm |
Sau koj cov lus ntawm no thiab xa tuaj rau peb