Spectrophotometric method and gas chromatography were the authorized national standard analytical methods to fusel oil.
国家标准规定分光光度法和气相色谱法为杂醇油的分析方法。
For the standard analytical method, the series of standard solution for the determination of As, se and Hg in water by atomic fluorescence spectrophotometry must be prepared for every test.
在标准分析方法中，采用原子荧光分光光度法测定水中砷、硒、汞所用的标准溶液系列必须每次配制，给工作带来很大的不方便。
In order to make the TVOC measurement results comparable, its standard definition and analytical method is given.
为了使测得的TVOC结果具有可比性，本文给出了TVOC的标准定义和分析方法。
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