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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于鲁赫曼形成而变成

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学大揭秘

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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