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檢驗(yàn)項(xiàng)目
TEST ITEM
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標(biāo)準(zhǔn)值
Specifications
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檢驗(yàn)結(jié)果
TEST RESULT
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外觀
Description
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white crystalline powder
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white crystalline powder
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比旋光度
Specific rotation
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-9.5--110
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-10.10
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干燥失重
Water content
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0.5%Max
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0.3%
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灼燒殘?jiān)?/div>
Residue of ignition
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0.5%Max
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0.08%
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重金屬Heavy metal
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<20PPM
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<10PPM
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砷Arsenic
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<2PPM
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<2PPM
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PH值(1%水溶液)
PH(1%water solution)
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3—4.5
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3.5
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溶解性Solubility
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Clarification
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conform
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氯Chloride
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0.4%Max
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<0.4%
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左旋肉堿
L-carnitine
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68.2±1%
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68.3%
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酒石酸
L-Tartaric Acid
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31.8±1%
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31.8%
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結(jié)論:
CONCLUSION
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