Item
|
Quality Index
|
|
High-Class
|
First-Class
|
|
Purity
|
99.30% min
|
99.0% min
|
Moisture
|
0.03% max
|
0.05% max
|
Chlorides ( As BaCl2 )
|
0.05% max
|
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|
Iron (Fe)
|
0.001% max
|
0.003 % max
|
Water insoluble maters
|
0.05% max
|
0.10% max
|
PH value
|
5.5 - 8.0
|
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|