The material of chemicals, dye and explosive, nitrifier, defoamer, decolor agent, clarificant, flux, chromogenic reagent, antimicrobial agent, antiseptic

Item	Quality Index
	Best Quality	First Quality	Qualifier
Sodium Nitrate content(dry basis), %, ≥	99.70	99.30	98.50
Moisture, %, ≤	1.00	1.50	2.00
Water insolubles, %, ≤	0.03	0.06	--
Chloride(Cl)                 0.25		0.30
Sodium carbonate content(dry basis), %, ≤	0.05	0.10	--
Fe content, %, ≤	--	0.01	0.01