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
DB43/T 2200-2021
DB43/T 2197-2021
GB/T 40394-2021
Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry
NY/T 3038-2016
GB/T 6730.34-2017e
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 6730.34-2017
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
T/CPUIA 0004-2023
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
20231340-T-606
Plastics—Amine epoxide hardeners—Determination of content of primary, secondary and tertiary amine group nitrogen content
T/CARP 0019-2023
GB/T 13747.18-2022
Methods for chemical analysis of zirconium and zirconium alloys—Part 18:Determination of vanadium content—N-benzoyl-N-phenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
UNE-EN ISO 9702:1999
PLASTICS - AMINE EPOXIDE HARDENERS - DETERMINATION OF PRIMARY, SECONDARY AND TERTIARY AMINE GROUP NITROGEN CONTENT (ISO 9702:1996)
BS EN ISO 9702:1999
Plastics. Amine epoxide hardeners. Determination of primary, secondary and tertiary amine group nitrogen content
KS M ISO 9702-2002(2017)
Plastics-Amine epoxide hardners-Determination of primary, secondary and tertiary amine group nitrogen content
KS M ISO 9702-2002(2022)
Plastics-Amine epoxide hardners-Determination of primary, secondary and tertiary amine group nitrogen content
ISO 9702:1996
Plastics — Amine epoxide hardeners — Determination of primary, secondary and tertiary amine group nitrogen content
UNE-EN 14881:2006
Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method
BS EN 14881:2005
Surface active agents. Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines. Gas chromatographic method
BS EN 1791:1997
Surface active agents. Fatty alkyl dimethyl amine oxides. Determination of the amine oxide content