Specifications packing:Plastic woven bag or kraft paper bag inner with plastic bag, in 25/50 /500/800/900/1000KG net . 99% potassium carbonate(K2CO3) 584-08-7 Potassium Carbonate White powder or granular Food grade Industry grade 99% Potassium carbonate(K2CO3) 584-08-7 Potassium Carbonate White powder or granular Food grade Industry grade   Properties and applications: It is white power, small granular crystallization, was dissolves in water absolutely, and generates alkaline solution. Potassium Carbonate has improvement of plant photosynthesis and improve soil structure and provide nutrients, widely used in agriculture area. Also used as raw materials in manufacturing electro tube, TV kinescope, computer display. It is applied in optical glass improving clarity, strength and refractive index. It is also applied in electrode avoiding electric arc breaking-off during welding Details:   Test item Specification Reagent grade Pharmaceutical grade Appearance Conform Conform Assay [K2CO3] /% ≥99.0 ≥98.0 Clarify degrees test Conform Conform Dry weightlessness ≤1.0 ≤2.0 Chloride (Cl)/% ≤0.003 ≤0.01 Sulfur compounds (SO4) % ≤0.003 ≤0.01 N % ≤0.001 ≤0.01 Phosphate and Portland /% ≤0.005 ≤0.02 Sodium (Na) /% ≤0.05 ≤0.10 Magnesium (Mg) /% ≤0.002 ≤0.005 Calcium (Ca) /% ≤0.002 ≤0.02 Iron (Fe) /% ≤0.0005 ≤0.002 Copper (Cu) /% ≤0.0005 ≤0.001 Pb/% ≤0.0005 ≤0.001