Description
Calcium Hydroxide, Powder AR (ACS). Assay (Ca(OH)2): min. 95. 0 %. Calcium Carbonate (CaCO3): max. 3. 0 %. Chloride (Cl): max. 0. 03 %. Heavy Metals (as Pb): max. 0. 003 %. Insoluble in HCl: max. 0. 03 %. Iron (Fe): max. 0. 05 %. Magnesium and Alkali Salts (as SO4): max. 1. 0 %.