A new method for determination of cephalexin based on the color reaction between cephalexin and ninhydrin has been developed.
基于头孢苄所基在酸性条件下可与茚三发生显色反应,从而建立流分光光度法测定头孢苄的新方法。
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This ninhydrin solution reacts with amino acids present in sweat and turns purple due to the formation of Ruhemman's purple.
这种茚三酮溶液与汗液中氨基酸发生反应,由于鲁赫而变色。
For porous surfaces like paper or walls, fingerprints are detected by spraying a solution called ninhydrin on the surface where a print may be found.
对于像纸或墙这样多孔表面,通过在可能发现指纹表面喷洒一种叫做茚三酮溶液来检测指纹。
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