GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
GB/T 7717.15-2018
Acrylonitrile for industrial use—Part 15:Determination of concent of p-hydroxylanisole
BS ISO 17197:2014
Dimethyl ether (DME) for fuels. Determination of water content. Karl Fischer titration method
GB/T 7717.15-1994
Acrylonitrile for industrial use—Determination of content of p-hydroxylanisole—Spectrophotometric method
\u0413\u041e\u0421\u0422 34790-2021
Prepared (corrected) water for the manufacturing of alcoholic beverages. Determination of the content of hydrogen sulfide and sulfides by photometric method with N,N-dimethyl-p-phenylenediamine