Natriumdichromat

APPLICATION in the leather and fur industry for tanning hides and furs;in the textile industry as mordants in dyeing of fabrics;in the production of catalysts, mineral and organic dyes;in the oil and gas industry for drilling wells;in a number of other industries in the passivating mixture of anti-freeze for engines, acetylene, purification and chemical reagents; SpecificationMainsubstance(Na2Cr2O3),min98.9%MainsubstanceincoversiontoCrO3,min75.5%SulphatesinconversiontoSO4,max0.1%ChloridesinconversiontoCl,max0.2%Waterinsolubleresidue,max0.01%Mainsubstance(Fe),max0.001%PHofwater,min3.5