Calcium sulfate dihydrate Analytical Grade ACS 500 g

Assay 99.0-102.0%

Substances insoluble in HCl 0.01% Carbonate (CO3) passes test Nitrates (NO3)

passes test Free alkalinity (Ca(OH)2) 0.01% Free acidity (H2SO4) 0.01% Chloride (Cl) 0.005% Total Nitrogen 0.001% Iron (Fe) 0.001% Heavy metals (Pb) 0.002% Potassium (K) 0.005% Magnesium (Mg) 0.01% Sodium (Na) 0.2% Strontium (Sr) 0.05%