|
Item
|
Spec.
|
Typical Results
|
|
Na2S2O5/%
|
96 Min.
|
97.68
|
|
Sodium Metabisulphite(as SO2)/%
|
65 Min.
|
65.81
|
|
Iron Content/%
|
0.005 Max.
|
0.003
|
|
Water-insoluble/%
|
0.05 Max.
|
0.039
|
|
PH Value
|
4.0-4.6
|
4.5
|
|
Heavy Metal(as Pb)/%
|
0.001 Max
|
PASS
|
|
As/%
|
0.0002 Max
|
PASS
|
