Углекислый калий

Potassium carbonate Index Name / Standard / grade Premium grade First grade Qualified product Potassium carbonate (K2CO3)% ≥ 99.00 98.50 96.00 Chloride (as KCL dollars) % ≤ 0.01 0.10 0.20 Sulfur compounds (as K2SO4) %≤ 0.01 0.10 0.15 Iron (Fe) content % ≤ 0.001 0.003 0.010 Water insoluble % ≤ 0.02 0.05 0.10 Loss on ignition % ≤ 0.60 1.00 1.00 Heavy metals in order to (Pb) % ≤ 0.002 0.002 0.002 Arsenic (As) % ≤ 0.0003 0.0003 0.0003