当层析系统为正丁醇∶冰醋酸∶水=4∶1∶5时,用纸层析法分离苯丙氨酸(F)、丙氨酸(A)和苏氨酸(T)时则它们的Rf值之间关系应为:( )A、F>A>T B、F>T>A C、A>F>T D、T>A>F
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![当层析系统为正丁醇∶冰醋酸∶水=4∶1∶5时,用纸层析法分离苯丙氨酸(F)、丙氨酸(A)和苏氨酸(T)时则它们的Rf值之间关系应为:( )A、F>A>T B、F>T>A C、A>F>T D、T>A>F](/uploads/image/z/10949099-59-9.jpg?t=%E5%BD%93%E5%B1%82%E6%9E%90%E7%B3%BB%E7%BB%9F%E4%B8%BA%E6%AD%A3%E4%B8%81%E9%86%87%E2%88%B6%E5%86%B0%E9%86%8B%E9%85%B8%E2%88%B6%E6%B0%B4%3D4%E2%88%B61%E2%88%B65%E6%97%B6%2C%E7%94%A8%E7%BA%B8%E5%B1%82%E6%9E%90%E6%B3%95%E5%88%86%E7%A6%BB%E8%8B%AF%E4%B8%99%E6%B0%A8%E9%85%B8%EF%BC%88F%EF%BC%89%E3%80%81%E4%B8%99%E6%B0%A8%E9%85%B8%EF%BC%88A%EF%BC%89%E5%92%8C%E8%8B%8F%E6%B0%A8%E9%85%B8%EF%BC%88T%EF%BC%89%E6%97%B6%E5%88%99%E5%AE%83%E4%BB%AC%E7%9A%84Rf%E5%80%BC%E4%B9%8B%E9%97%B4%E5%85%B3%E7%B3%BB%E5%BA%94%E4%B8%BA%EF%BC%9A%EF%BC%88+%EF%BC%89A%E3%80%81F%EF%BC%9EA%EF%BC%9ET+B%E3%80%81F%EF%BC%9ET%EF%BC%9EA+C%E3%80%81A%EF%BC%9EF%EF%BC%9ET+D%E3%80%81T%EF%BC%9EA%EF%BC%9EF)
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