Share on (1600513292974):






Items | Standard | Result |
NaHSO2·CH2O·2H2O | ≥98.0% | 98.8% |
Smell | No smell or a little smell of leek | a little smell of leek |
PH | 9.85 | 9.85 |
Sulfide | No black | No black |
Appearance | White powder or lump | White powder |




New products from manufacturers at wholesale prices