...及制品 苯甲酸含量的测定 标准/规范英文名: Fruits,vegetables and derived products--Determination of benzoic acid content 标准状态: 已作废 原文语种: 中文 译文语种: 英文 译文交稿时间: 款到后1日内发稿 原文页数: 6页 中文字数: 4074字 标准分...
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建立以紫外分光光度法测定果蔬盐中苯甲酸钠含量的方法。该方法操作简便、快捷、成本低、结果准确。
To establish an ultraviolet spectrophotometry for the determination of the sodium benzoate in fruit and vegetable salt. The method is simple, fast, low-cost and accurate.
本文应用吸收度线性组合法，不经分离直接测定复方苯甲酸醇溶液的含量。
We adopted the linear combination method of absorbances to assay the contents of compound alcoholic solution of benzoic acid directly without isolation of its components.
采用内标法定量，能准确测定混和氯甲苯氧化过程中的氯代苯甲酸异构体的含量，回收率达92％以上，变异系数小于3.6％。
The contents of chlorobenzoic acids isomers could been accurately quantified through internal standard, and the recovery was more than 92 percent, and RSD less than 3.6 percent.
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