Product Name | SODIUM METABISULPHITE | |
Analysis item | Standard | Analysis Result |
Main content(Na2S2O5) | 97%min | 97.1% |
Fe ( Fe) | 0.003%max | 0.003% |
Water-Insoluble | 0.05%max | 0.02% |
Arsenic(As) content | 0.0005%max | <0.0001 |
(pb) content | 0.0005%max | <0.0005 |
Phosphoric acid test ≤ | 4.2 | |
Appearance | White to slightly yellowish crystialline powder |