L-Phenylalanine
Brand：Hebei Hengguan Chemical Co.,Ltd Category：Food Ingredients Views： times Introduction：CAS No.:15099-85-1;63-91-2
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项 目 Item |
标 准 Specifications |
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外观 Appearance |
White crystalline powder |
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含量（干基）, Assay, |
98.5%~101.5% |
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pH值 pH value |
5.4 to 6.0 |
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比旋光度 Specific Rotation |
-32.7O ~ -34.7O |
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干燥失重, Loss on drying , |
Not more than 0.30% |
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重金属（以Pb计） Heavy metals（as Pb） |
Not more than 15PPM |
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炽灼残渣, Residue on ignition, |
Not more than 0.4% |
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氯化物(以Cl计), Chloride （as Cl） |
Not more than 0.05% |
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硫酸盐(以SO4计), Sulfate(asSO4), |
Not more than 0.03% |
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铁（以Fe计）, Iron (Fe) , |
Not more than 0.003% |