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薄层色谱法测定转化液中L─间羟基乙酰基甲醇含量[J]. 中国药科大学学报, 1996, (3): 37-38.
引用本文: 薄层色谱法测定转化液中L─间羟基乙酰基甲醇含量[J]. 中国药科大学学报, 1996, (3): 37-38.
Determination of m Hydroxylphenyl Acetyl Carbinol in the Conversation Medium by TLC[J]. Journal of China Pharmaceutical University, 1996, (3): 37-38.
Citation: Determination of m Hydroxylphenyl Acetyl Carbinol in the Conversation Medium by TLC[J]. Journal of China Pharmaceutical University, 1996, (3): 37-38.

薄层色谱法测定转化液中L─间羟基乙酰基甲醇含量

Determination of m Hydroxylphenyl Acetyl Carbinol in the Conversation Medium by TLC

  • 摘要: 利用薄层色谱技术测定转化液中L-间羟基苯基乙酰基甲醇的含量。采用硅胶GF254薄层板,以二氯甲烷-乙酸乙酯-乙醇(18∶2∶1)为展开剂,在紫外灯下刮下Rf值为0.47的暗斑,经95%乙醇洗脱,在279.4nm处测定吸收值,从标准曲线读出样品含量。标准曲线线性范围20~100ng,最低检出量1ng,平均回收率100.05±1.08%,板内和板间RSD分别小于6%和9%。

     

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