Specification of Pure Thiamine Vitamin B1 98% Hydrochloride
Items |
Standards |
APPEARANCE |
WHITE CRYSTAL POWDER |
IDENTIFICATION |
POSITIVE |
APPEARANCE OF SOLUTION |
PASS |
Ph |
2.7-3.3 |
Sulphates |
≤300ppm |
Limit Of Nitrate |
Complies |
Heavy Metals |
≤20 ppm |
Water |
≤5.0% |
Residue On Igbition |
≤0.1% |
Absorbance Of Solution |
≤0.025 |
Residual Solvents |
Complies |
Related Substance |
Within Limited |
Assay |
98.5~101.0% |
Specification Of Pure Thiamine Vitamin B1 98% Mononitrate
Items |
Standards |
APPEARANCE |
WHITE CRYSTAL POWDER |
IDENTIFICATION |
POSITIVE |
APPEARANCE OF SOLUTION |
PASS |
Ph |
2.7-3.3 |
Sulphates |
≤300ppm |
Limit Of Nitrate |
Complies |
Heavy Metals |
≤20 ppm |
Water |
≤5.0% |
Residue On Igbition |
≤0.1% |
Absorbance Of Solution |
≤0.025 |
Residual Solvents |
Complies |
Related Substance |
Within Limited |
Assay |
98.5~101.0% |
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