An ultraviolet spectrophotometry method was used to determine the content of gossypol in the diphenylamine gossypol.
用紫外分光光度法测定二苯胺棉酚中棉酚的含量。
A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented.
利用紫外分光光度计和高效液相色谱仪建立了色谱纯乙腈的性能和质量的评价方法。
Method: Ultraviolet spectrophotometry, Phenol-sulfuric acid method.
方法：紫外分光光度法，苯酚-硫酸法。
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