Product Index: Index Name FCCIV enterprise standards Ammonium chloride NH 4 Cl% í¦ 99.0-101.0 99.5 Loss on drying% í_ 0.5 0.5 Residue on ignition% í_ 0.1 0.1 Iron salt content% í_ - 0.005 Heavy metal (Pb)% í_ 0.001 0.001 Arsenic salt (As)% í_ - 0.0005 Barium salt - up to standard PH - 4.6-6 Sulfate% í_ - 0.015 Calcium% í_ - 0.002 Potassium salt% í_ - 0.02 Bromide% í_ - 0.005. 25kg/bag