ITEM	STANDARD
Appearance	White Crystalline Powder
Assay	99.0 ~ 100.5%
Loss on drying	=< 0.5%
Acidity and alkalinity	=< 0.1%
Appearance of solution	Clear and colorless
Iodides	No blue color is observed
Bromides	=< 0.01%
Heavy metals (as Pb)	=< 0.0005%
Arsenic	=< 0.0001%
Potassium	=< 0.05%
Sulfates	=< 0.02%
Phosphates	=< 0.0025%
Aluminum	=< 0.00002%
Nitrites	=< 0.01%
Iron	=<0.0002%
Magnesium & alkaline-earth metal	=<0.01%

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