|
Item
|
Quality Index
|
|
|
Red Flakes
|
Yellow Flakes
|
|
|
Purity ( As Na2S)
|
60% min
|
60%
|
|
Sodium Carbonate
|
4.0 % max
|
2.0% max
|
|
Iron ( Fe )
|
0.15% max
|
0.001% max
|
|
Water insoluble
|
0.5% max
|
0.2% max
|
