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Product Index:
|
Index name |
unit |
Index |
|
|
First grade |
Second grade |
||
|
Content ≥ |
% |
99.90 |
99.50 |
|
Specific gravity |
|
1.250-1.256 |
1.247-1.259 |
|
Moisture ≤ |
% |
0.08 |
0.12 |
|
Acidity (in HCL) |
% |
0.005 |
0.005 |
Appearance: a clear liquid whose color is not deeper than an aqueous solution containing 0.03 g of potassium dichromate per 1000 ml.
