Sodium Metabisulfite Cas 7681-57-4-Hebei Kenbin Technology Co.,Ltd.

Sodium Metabisulfite Cas 7681-57-4

Specification

Chemical Analysis
Component	Industrial Grade	Food Grade	Deying Grade	High Purity Grade
Appearance	White or yellowish crystalline powder
Content (Na2S2O5）	96.5%min	97.0%min	96.5%min	98%min
Water soluble matter	0.05%max	0.03%max	0.05%max	0.02%max
Iron content (Fe)	0.005%max	0.003%max	0.005%max	0.002%max
Arsenic (As)	0.0001%max	0.0001%max	0.0001%max	0.0001%amx
Pb	0.0005%max	0.0002%max	-	0.0003%max

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