***erminations Results Characterstics White granular crystals or a Solubility Complying with the test Identification Complying with the test Acidity of alkaininty Complying with the test Clarity and colout of solution Complying with the test Heavy metals ¡Ü10ppm Chloride ¡Ü50ppm Oxalate ¡Ü300ppm Sulphate ¡Ü150ppm Readitly carbonisable substances Complying with the test Water 11.0-13.0% Content 99.0-110.0