ITEM STANDARDS RESULTS
MAIN CONTENT(MnSO4.H2O): 98.0%MIN
CHLORIDE: 0.004%MAX
HEAVY METAL(Pb): 0.0015%MAX
Fe: 0.004%MAX
As: 0.0005%MAX
Cd: 0.002%MAX
WATER INSOLUBLE MATTERS: 0.05%MAX
Mn (WATER SOLUBLE) : 31.8%MIN