D-苏氨酸632-20-2
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更新时间:2015-11-30 15:42:05
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详细介绍
Items |
Standard |
Analysis data |
Appearance |
White to off-white crystalline powder |
conforms |
Specific Rotation [а]D20 (C=6 in H2O) |
+27.6 to +29.0 Degree |
+28.0º |
Transmittance |
Not less than 95% |
98.0% |
Heavy Metals (Pb) |
Not more than 10PPM |
conforms |
Arsenic(As2O3) |
Not more than 2PPM |
conforms |
Loss on Drying |
Not more than 0.30% |
0.19% |
Residue on Ignition (Sulfated) |
Not more than 0.20% |
0.10% |
Assay |
Not less than 98.0% |
98.5% |
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