ITEM	INDEX
APPEARANCE	WHITE CRYSTAL
PURITY ≥	99.6%
SULPHATE AS SO4 ≤	0.1%
CHLORIDE AS CL ≤	20PPM
IRON ≤	0.02%
HEAVY METALS ≤	10PPM
ASH ≤	0.1%
LOSS ON IGNITION ≤	0.08%