L-精氨酸USP31
L-精氨酸USP31
CAS no.: 74-79-3
| Test Items | Limit |
Identification | as per USP31 |
Specific rotation | between +26.3o to +27.7o |
Loss on drying | not more than 0.5% |
Residue on ignition | not more than 0.3% |
Chloride | not more than 0.05% |
Sulfate | not more than 0.03% |
Iron | not more than 0.003% |
Heavy metals | not more than 0.0015% |
Chromatographic purity | as per USP31 |
Organic volatile impurities | as per USP31 |
Residual solvents | conform the requirments |
Assay | 98.5% to 101.5% |
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L-精氨酸盐酸盐USP31
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DL-蛋氨酸AJI92
