●Item:Food Grade
●Clacial Acetic Acid ,%:99.5min
●Color:20max
●Heavy Metals (Pb) ,w/%:0.000 2% max

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●Appearance:White CRYSTAL SOLID
●Content (% ):99.0MIN
●MOISTURE(% ):9.5 max
●HEAVY METALS(% ):0.001 max

●Content (as Na2S2O5):≥ 97.5
●Iron(as Fe) %:≤ 0.001
●Clarify degree:clearly
●Heavy metals(as Pb) %:≤0.0005

●Assay (H3PO4):75.0% Min
●Fluoride (F):0.001% Max
●Chloride (Cl):0.0005% Max
●Sulfate (SO4):0.003% Max

●Appearance:White or Slightly pink powder
●MnSO4.H2O:98.00% min.
●Mn:31.80% min.
●As:0.0005% max.

●CuSO4·5H2O≥:98%
●Cu≥:25.06%
●Water-insoluble≤:0.2%
●Pb≤:0.001%