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 6609.10-2004
Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method
GB/T 6609.18-2004
Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N,N-dimethyl-P-phenylenediamine spectrophotometric method
EN 1791:1997
BS EN 1791:1997
Surface active agents. Fatty alkyl dimethyl amine oxides. Determination of the amine oxide content
UNE-EN 1791:1997
SURFACE ACTIVE AGENTS. FATTY ALKYL DIMETHYL AMINE OXIDES. DETERMINATION OF THE AMINE OXIDE CONTENT.
DIN EN 1791
Surface active agents - Fatty alkyl dimethyl amine oxides - Determination of the amine oxide content; German version EN 1791:1997