Product Detail
Product Tags
| Item |
Standard |
Result |
|
Appearance |
White or almost white, crystalline powderor colourless crystals |
White crystalline powder |
|
Identification |
A: IR absorption |
Comply |
|
|
C: Reaction (a) of chlorides |
|
|
Appearance of solution |
Clear, not more intense than Y7 or GY7 |
Comply |
|
PH |
2.7-3.3 |
3.0 |
|
Water |
≤5.0% |
2.34% |
|
Sulphated ash |
≤0.1% |
0.01% |
|
Sulphates |
≤300ppm |
<300ppm |
|
Heavy metals |
≤20ppm |
<20ppm |
|
Related substances |
|
|
—Any impurity |
≤0.4% |
<0.05% |
|
—Total impurities |
≤1.0% |
<0.05% |
|
Assay |
98.5-101.0% |
99.6% |
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