L-脯氨酸

EP6.0

AJI92

USP40

性狀

應(yīng)為白色或類白色的結(jié)晶性粉末

應(yīng)為白色結(jié)晶或結(jié)晶性粉末

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鑒別

紅外光吸收圖譜應(yīng)與對照圖譜一致

應(yīng)符合規(guī)定

應(yīng)符合規(guī)定

含量

98.5-101.0%

99.0%~101.0%

98.5%~101.5%

PH

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5.9~6.9

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透光率

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≥98.0%

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干燥失重

≤0.5%

≤0.30%

≤0.4%

熾灼殘?jiān)?/span>

≤0.1%

≤0.10%

≤0.4%

氯化物

≤0.020%

≤0.020%

≤0.05%

重金屬

≤10ppm

≤10ppm

≤15ppm

鐵鹽

≤10ppm

≤10ppm

≤30ppm

硫酸鹽

≤0.03%

≤0.020%

≤0.03%

砷鹽

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≤1ppm

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銨鹽

≤0.02%

≤0.02%

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其他氨基酸

應(yīng)符合規(guī)定

應(yīng)符合規(guī)定

應(yīng)符合規(guī)定

熱源

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應(yīng)符合規(guī)定

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比旋度

-84.5°~ -86.0°

-84.5°~ -86.0°°

-84.3°~ -86.3°°

溶液澄清度

溶液澄清度：5%的水溶液應(yīng)澄清

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溶液色級：5%的水溶液應(yīng)為無色

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溶解度

溶于水，易溶于酒精

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