Appearance White crystal Purity 99.0%min. Chloride (Cl) 0.035%max Sulphate (SO4) 0.005%max Heavy metal (as Pb) 10ppm.max PH (5% water solution) 7.5-9.0 Loss weight (120℃ drying condition) 38.5%-41.0% we have pharmaceutical grade,food grade and industrial grade
pharmaceutical