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A new method for determination of cephalexin based on the color reaction between cephalexin and ninhydrin has been developed.

孢氨苄所含伯氨基在酸性条件下可与茚三发生显色反应,从而建立流动注射分光光度法孢氨苄的新方法。

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科学大揭秘

This ninhydrin solution reacts with amino acids present in sweat and turns purple due to the formation of Ruhemman's purple.

这种茚三酮溶与汗氨基酸发生反应,由鲁赫曼紫形成而变成紫色。

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科学大揭秘

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.

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来检测指纹。

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