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L-Lysine 50% Solution CAS:56-87-1<< 返回
ItemLimit
Description and solubilityColorless or pale yellow liquid clear. Free from foreign matter, Slight characteristic odor. Miscible in water, in methanol and in ethanol
Specific optical rotation (D20oC/Sodium D line8% w/v, 5N HCL)+25.2 to +26.0°on anhydrous basis
Color of SolutionThe absorbance of the test solution at 430nm,using 1cm cells and water as reference must be not more than 0.150
Ph (5% v/v)9.9 – 10.3
Specific gravity1.120 to 1.135g/ml
Chromatographic purity(TLC)Any individual impurity: not more than 0.4% Total impurities: Not more than 1.0%
Assay(Non-aqueous acidimetric titration)49.0% to 51.0% of C6H14N2O2
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