China Sodium Metabisulfite Food Additives, Find details about China Sodium Metabisulfite, Sodium Metabisulphite from Sodium Metabisulfite Food Additives
Items | Technical grade | Food grade |
Assay | 96% min | 97% min |
Assay as SO2 | 65% min | 65% min |
Water insoluble | 0.05% max | 0.05% max |
Ferric (Fe) | 0.003% max | 0.003% max |
pH value | 4.0-4.6 | 4.0-4.6 |
Lead (Pb) | ** | 0.002% max |
Arsenic (As) | ** | 0.0002% max |