sodium hydrosulfite
Specifications
- Origin
- China mainland
- Price Term
- FOB
sodium hydrosulfite is a Chemical Reagents product. Key specs — Origin: China mainland; Price Term: FOB.
Product Description
Formular: Na2S2O4
Identification: Passes all criteria tests
Technical Grade
content 90% grade 88%grade 85% grade
Na2S2O4 90% 88% 85%
Iron(Fe) 20 ppm 20 ppm 20ppm
Zinc 1 ppm 1 ppm 1 ppm
solution appearance clear clear clear
EDTA / / /
Aresnic / / /
other heavy metal as Pb / / /
formate / / /
water insolubles 0.05% 0.05% 0.05%
shelf life (month) 12 12 12
