Item	Index	Actual value
Na2S2O5	97.0%min	97.2%
SODIUM SULFITE	3	3
SODIUM SULPHATE	1.5 % max	1.5%
SODIUM CHLORIDE	0.1%max	0.1%
MOISTURE	0.05% max	0.04%
INSOLUBLE	0.1%max	0.1%
IRON	10PPM	10PPM
HEAVY METALS	10PPM	10PPM