Item
Standard
Result
Lot Number
--
111103
Na2S2O4
85.0% Min
85.87%
Water Insoluble
0.05% Max
0.026%
Heavy Metal Content
1ppm Max
0.1ppm
Na2CO3
1.0%-5.0%
2.8%
Fe
20ppm Max
12ppm
Sodium Hydrosulfite
