... fast, removing dust and oil indust Analysis ItemStandardCalcium chloride (CaCl2)74%min,77% min,94%minTotal Chlorinated Alkali: (NaCl)5.0%maxMagnesium ... Chloride(MgCl2)0.5%maxInsoluble matter in water0.25%maxCalcium ... ., Pb., Cd., Cr., Hg., As0.005%maxPH VALUE 8-10 Calcium Chloride