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 38401-2019
Leather and fur—Chemical tests—Determination of dimethyl formamide content
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
GB/T 23276-2024
Method for chemical analysis of palladium compounds—Determination of palladium content—Complexometric tityation using butanedione dioxime releasing EDTA and gravimetric method
SN/T 5345-2021
NY/T 3423-2019
Fertilizer synergists-Determination of 3,4-dimethyl-pyrazole phosphate(DMPP) content
QB/T 5158-2017
Test method of artificialleather and synthetic leather -Test of quantitatively determine dimethylformamide
YB/T 917-2017
Carbon materials—Determination of vanadium content—3,3-dimethyl naphthalene amine colorimetric 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
GB/T 14457.8-1993
Isolate and synthetic aroma chemicals—Determination of tertiary content by acetyl chloride-dimethyl aniline method
NB/SH/T 0838-2010
Determination of polycyclic aromatics(PCA) in unused lubricating base oils and asphaltene free petroleum fractions-Dimethyl sulphoxide extraction refractive index method
YS/T 520.1-2007
Chemical analysis of gallium—Part 1:Determination of copper content—The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline spectrophotometric method
EN 1791:1997
GB/T 6609.18-1986
Methods for chemical analysis of aluminium oxide--The N,N-dimethyl-P-phenylenediamine photometric method for the determination of sulfate content
SN/T 3153-2012
Determination of N,N-bis(2-hydroxyethyl)-p-phenylenediamine,N,N-dimethyl-p-phenylenediamine,N,N-diethyl-p-phenylenediamine,N-phenyl-p-phenylenediamine and their salts in oxidative hair dyes for export-High performance liquid chromatography
T/SSM 4-2021
EN 13435:2001
EN 26352:1991
BS EN 13270:2001
Surface active agents. Determination of the active matter content in alkyldimethylbetaines
UNE-EN 13270:2002
Surface active agents - Determination of the active matter content in alkyldimethylbetaines.