Ammonia-insoluble:≤0.01% Chloride(Cl):≤0.005% Sulphate(SO4):≤0.02% Heavy metal(Pb):≤0.005% Phosphate(PO4):≤0.001% Nitrate(NO3):≤0.005% Molybdenum(Mo):≤0.005% Arsenic(As):≤0.002% Copper(Cu):≤0.005% Ammonia(NH4):0.01%
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