Specification: Characters White Crystals Identification Passes test Clarity and color of the solution Clear and colorless Acidity or Alkalinity Passes test Tartrate Passes test Chlorides 50 ppm Sulphates 150 ppm Oxalates 100 ppm pH-Value in 5% solution 7.5-9.0 Heavy metal(as Pb) 5 ppm Arsenic(as As) 1 ppm Lead 1 ppm Mercury 1 ppm Readily carbonise substances Not deeper than standard Pyrogens Passes test Loss on drying 11.0-13.0 % Purity 99.0-101.0 %