Specification of sodium sulphide red flake
|
Appearance |
Reddish-Brown |
|
Sodium sulfide％(min) |
60.2 |
|
Sodium sulfite％(max) |
1.0 |
|
Sodium thiosulphate％(max) |
2.0 |
|
Iron％(max) |
0.03 |
|
Sodium carbonate％(max) |
2.5 |
|
Water Insoluble％(max) |
0.20 |