GB/T 6730.30-2017(\u82f1\u6587\u7248)
铁矿石 铬含量的测定 二苯基碳酰二肼分光光度法
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 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 5195.19-2018
Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method
T/CIESC 68-2024
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 7043.2-2001
Rubber--Determination of copper content--Zinc diethyldithiocarbamate photometric method
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
HG/T 5664-2019
GB/T 20500-2006
Method for the determination of di(2-ethylhexyl) adipate and di-n-octyl adipate in polyvinyl chloride film
NY/T 4429-2023
GB/T 11897-1989
Water quality--Determination of free chlorine and total chlorine--Titrimetric method using N,N-diethyl-1,4-phenylenediamine
HJ 585-2010
GB/T 11898-1989
Water quality--Determination of free chlorine and total chlorine--Spectrophotometric method using N,N-diethyl-1,4-phenylenediamine
HJ 586-2010
HG/T 5017-2016
Determination of ethylenediamine tetraacetic acid disodium (EDTA) and copper content in chemical copper plating effluent
GB/T 4702.4-2008
Chromium metal - Determination of iron content - EDTA titrimetric method and flame atomic absorption spectrometric method
GB/T 4702.5-2008
Chromium metal - Determination of aluminium content - EDTA titrimetric method and flame atomic absorption spectrometric method
SN/T 0839.8-1999
GB/T 14454.17-1993
Aromatics—Determination of carbonyl value and carbonyl compounds content—Free hydroxylamine method