Specification:

Inspection  Item	Result
sodium nitrate (NaNO3) in terms of dry substance, min	99. 3
water, max	0. 5
substance insoluble in water, max	0. 03
chloric salts (in terms of NaCl), max	0. 05
oxidized substances (in terms of NaNO2), max	0. 05
anticaking agent, max.	0. 05-0. 3