...酒 标准浓度法 标准加入法 回收率 [gap=751]KEY WORDS: atomic absorption spectrometer; wine; standard concentration method; standard addition method; recovery rate ..
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水环境质量评价指数法是根据水质组分浓度相对于其环境质量标准的大小来判断水的质量状况。
Composite index analysis is based on the relative concentration of quality components in its environmental quality standards to judge the pollution levels of the water-quality status.
方法：用电极法和终点法测定5种不同浓度标准，进行线性分析；
Method:Using the electrodes and end reaction methods, the linearity of 5 different concentration standards were analyzed.
本文采用国家标准方法——酚试剂分光光度法对成都50多处房屋室内的甲醛浓度及其变化规律作了具体的分析，结果显示，总样品甲醛平均浓度为0。
Using the national standard method-folin spectrophotometry, this paper makes detailed analysis of the concentration and the changing law of formaldehyde existing in the 50 more houses in Chengdu.
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