Specifications: COLOR: WHITE. POLARIZATION: AT 20 C: 99.7% MINIMUM. MOISTURE: 0.01% MAXIMUM. SULPHATED ASH CONTENT: 0.05% MAXIMUM. REDUCING SUGAR: 0.05% MAXIMUM BY WEIGHT. As: 1 PPM MAXIMUM. Pb: 2 PPM MAXIMUM. Cu: 3 PPM MAXIMUM. HPN STAPH. AUREUS: NIL. SUBSTANCE: SOLID CRYSTAL. SOLUBILITY: 100% DRY AND FREE FLOWING. SEDIMENTS: NONE. SMELL: FREE OF ANY SMELL. CRYSTAL SIZE: 0.212-1.7 MM. MAGNETIC PARTTICLES: 4 mg./kg MAXIMUM. SO2: 20 PPM MAXIMUM. RADIATION: BELOW 240-280 BQ PER KGM. THERMOPHILIC BACTERIA: BELOW 10/125 GM. SUITABLE FOR HUMAN CONSMPTION.