Dyestuff & Pigment
SODIUM HYDROSULFITE
Code: HG280002
Package
50KG IRON DRUMS
Mr. Zhong
+86-20-81074430
dyechem@gzchem.com
| Item | Standard |
| APPEARANCE | FREE-FLOWING WHITE CRYSTALLINE POWDER |
| Na2S2O4 | ≥88% |
| WATER INSOLUBLE | ≤0.05% |
| Pb | ≤0.004% |
| Fe | ≤0.004% |
