Item	Index
Description	White or transparent crystals
Solubility	Pass test
Clarity & Color Solution	Clear
Content	99.5%-101.0%
Sulphate	≤150ppm
Oxalate	≤100ppm
Heavy Metal (as Pb)	≤10ppm
Barium	Pass
Calcium	≤200ppm
Iron	≤50ppm
Chloride	≤50ppm
Sulphated ash	≤0.1%
Water	7.5%9.0%
Readily carbonisable substances	Not darker than the standard
Lead	≤1ppm
AS	≤1ppm
Mercury	≤1ppm
Aluminium	≤0.2ppm
Bacteriaendotoxic	≤0.5IU/mg