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英文名称 | Malic acid |
纯度 | % |
CAS编号 | 6915-15-7 |
别名 | DL-羟基丁二酸 |
分子式 | C4H6O5 |
DL-苹果酸 |
6915-15-7 |
BR,99% |
100克 |
40 |
常温 |
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中文名称 : |
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中文同义词 : |
苹果酸 ; 苹果酸 , 羟基丁二酸 , 马来酸 ; 外消旋体苹果酸 ;DL- 苹果酸 ;DL- 羟基丁二酸 ;DL- 苹果酸 ,98%;( ± ) 一羟基丁二酸 ; 苹果酸、 DL- 苹果酸 |
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英文名称 : |
Malic acid |
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英文同义词 : |
alpha-Hydroxysuccinic acid;alpha-hydroxysuccinicacid;Butanedioic acid, hydroxy-;commonmalicacid;Deoxytetraric acid;deoxytetraricacid;femanumber2655;hydroxy-butanedioicaci |
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CAS 号 : |
6915-15-7 |
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分子式 : |
C4H6O5 |
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分子量 : |
134.09 |
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EINECS 号 : |
210-514-9 |
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Mol 文件 : |
6915-15-7.mol |
色谱条件与系统适用性试验 用磺酸基阳离子交换树脂为填充剂,以0.005mol/L硫酸溶液为流动相;检测波长为210nm;柱温为 37℃;取富马酸、马来酸、DL-苹果酸对照品适量,加流动相溶解并稀释制成每1ml中约含富马酸10μg,马来酸4μg,DL-苹果酸1mg的溶液,作为系统适用性溶液,精密量取20μl,注入液相色谱仪,理论板数按DL-苹果酸峰计算不低于2000,富马酸和马来酸及DL-苹果酸峰的分离度均应符合规定。
The chromatographic conditions and system suitability test With sulfonic acid cation exchange resin as filler, in 0.005 mol/L sulfuric acid solution as mobile phase; Detection wavelength of 210 nm; Column temperature is 37 ℃; Fumaric acid, maleic acid, DL - malic acid reference substance right amount, plus mobile phase to dissolve and diluted made each 1 ml contains about 10 mu g fumaric acid, maleic acid 4 mu g, 1 mg of DL - malic acid solution, as the system suitability solution, precision measuring 20 mu l, injecting liquid chromatograph, theoretical plate number calculated by DL - malic acid peak is not less than 2000, fumaric acid, maleic acid and the degree of separation of DL - malic acid peak shall be within the rules.