亚硝酸钾

Potassium nitrite is a crystalline material with an off-white-to-straw color. It is hygroscopic, deliquescent and very soluble in water. It decomposes in acid solutions to form unstable nitrous acid. Potassium nitrite is sold as a moist crystal to help delay the onset of caking.Specifications:Assay (on Dry Basis): 97% min.Chlorides:0.02% max.Sulphates: 0.02% max.Heavy Metal (as Pb): 0.005% max.Water insoluble: 0.01% max.Iron (as Fe): 0.005% max.Sodium(Na):3% or negotiablepack:25kg/bag,carton,drum...or as request.