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

于头孢苄所含伯酸性条件下可与茚三发生显色反应,从而建注射分光光度法测定头孢苄的新方法。

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forati, foratini, foration, FORATOM, foray, forb, forbad, forbade, forbear, forbearance,

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3G, 401(K), a,

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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.

这种溶液与汗液中氨基酸发生反应,由于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.

对于像纸或墙这样表面,通过在可能发现指纹表面喷洒一种叫做溶液来检测指纹。

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forbidding, forbode, forbore, forborne, forby, forbye, forcast, force, force feed, force field,

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3G, 401(K), a,
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