|
Item
|
Spec.
|
|||
|
Fe3+:1500ppm
|
Fe3+:150ppm
|
Fe3+:80ppm/50ppm
|
Fe3+:30ppm/20ppm
|
|
|
Na2S/%
|
60 Min.
|
60 Min.
|
60 Min.
|
60 Min.
|
|
Na2CO3/%
|
5 Max.
|
2.0 Max.
|
2.0 Max.
|
2.0 Max.
|
|
Water insolubles/%
|
0.4 Max.
|
0.2 Max.
|
0.2 Max.
|
0.05/0.03 Max.
|
|
Iron Content/%
|
0.15 Max.
|
0.015 Max.
|
0.008/0.05 Max.
|
0.003 /0.002 Max.
|
