L-鹽酸賴氨酸

EP6.0

AJI92

USP40

性狀

應(yīng)為白色或類白色結(jié)晶性粉末

應(yīng)為白色粉末

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鑒別

紅外光吸收?qǐng)D譜應(yīng)與對(duì)照?qǐng)D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%-100.5%

98.5%-101.5%

PH

5.0~ 6.0

5.0~6.0

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透光率

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≥98.0%

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干燥失重

≤0.5%

≤0.40%

≤0.4%

熾灼殘?jiān)?/span>

≤0.1%

≤0.10%

≤0. 1%

含氯量

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19.12% ~19.51%

19.0%-19.6%

重金屬

≤10ppm

≤10ppm

≤15ppm

鐵鹽

≤30ppm

≤10ppm

≤30ppm

硫酸鹽

≤0.03%

≤0.020%

≤0.03%

砷鹽

≤1ppm

≤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

+21.0°～ +22.5°

+20.7°~ +21.5°

+20.4~+21.4°

溶液澄清度

溶液澄清度：10%的水溶液應(yīng)澄清

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溶液色級(jí):10%水溶液的顏色不能比參考溶液B7或GY7的顏色更濃

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溶解度

易溶于水，極微溶于乙醇(96%)

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