Purity%	≥99.5%
Chloride(Cl)%	≤ 0.01%
Sulfate(so4)%	≤ 0.03%
Metal chelate(Pb)%	≤ 0.001%
Iron(Fe)%	≤ 0.001%
Dry and loss(103-107℃)%	≤ 0.2%
Chelate: mgCaCO3/g	339 min
NTA%	≤ 0.1%
Appearance	White crystal powder

 

[Properties]: White crystal powder melting point 240℃(decomposition) insoluble in cold water,alcohol

and general organic solvent, slightly soluble in hot water, but soluble in sodium hydroxide, sodium

Carbonate and ammonia solution.

[Quality Index]: (Q/24SJK02-2009 Quality standard)