... ,max0.5(PH of 10% water solution)6.5-7.5 CompositionSpecification(Feed grade)(Purity),wt. % ,min98(Ca content),wt. % , ... 0.3(Dry weight loss),wt. % ,max0.5(PH of 10% water solution)6.5-7.5As(%) ≤0.0005Pb(%)≤0.0002AppearanceWhite crystalline powder Industrial Grade ... Calcium Formate 98%