Type: | Asparticacid |
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Chemical Character: | Acidity |
Appearance: | Powder |
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Items of analysis | Specification |
Appearance | White oroff-whitecrystalorcrystalline powder. |
Lidentify | Chromogenic reaction:positive reaction |
Hplc:Under the contentdetermination ofrecord chromatograph chart,the main peakofretentiontimeof test samplesolutionshould beconsistent withthemain peak retention time ofthereferencesubstancesolution | |
IR:Infrared absorption spectrumoftheproductshalbe consistent with the referencesubstanceofthe map | |
Specific rotation | +9.5°~+11.0° |
Clarity andcolour | Solutionshould beclarified,suchasturbidity, compared with1 turbiditystandardsolution may not be thicker |
Heavy metals | ≤10ppm |
PH | 5.0~ 6.0 |
Lossondry | ≤0.5% |
Residue onignition | ≤0.1% |
Fe | ≤0.001% |
Arsenic | ≤0.0001% |
Sulfate | ≤0.02% |
Chloride | ≤0.02% |
Ammoniumsalt | ≤0.08% |