... plastic bags, jackets woven polypropylene, or as per negotiation.Molecular Formula: K2CO3Exercised standard: GB 25588-2010ItemSpecificationPotassium carbonate(K2CO3),% ≥99.0Chloride(KCL ... /kg ≤10Arsenic(As)Content,mg/kg ≤2Ignition loss,% ≤0.6 Potassium carbonate food grade