Features:
Specifications:
Name of product |
D - tartaric acid |
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MFG DATE |
2013/07/30 |
Retest Date |
2014/07/29 |
|
Batch No. |
20130730 |
Analysis No. |
2013/07/30 |
|
Quantity |
5000kg |
Sample from |
Warehouse |
|
Test item |
Specification |
Result |
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Description |
White crystals or white |
White crystals or |
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Specific Rotation |
â12~ â12.8 |
â12.19 |
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Sulphate(so4) |
<0.05% Not more than 0.1% |
<0.01% |
||
Heavy metals(pb) |
<0.001% Not more than 0.001% |
<0.001% |
||
Residue on Ignition |
<0.1% Not more than 0.1% |
0.00043 |
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Loss on drying |
<0.5% Not more than 0.5% |
0.19% |
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Assay |
>99.0% Not less than 99% |
99.88% |
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Optical purity(ee value) |
>99.0% Not less than 99% |
99.73% |
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Clarity test |
In accordance with the standard of experiment |
Qualified |