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 29964-2013
GB 28339-2012
GB/T 38401-2019
Leather and fur—Chemical tests—Determination of dimethyl formamide content
T/CIESC 0043-2022
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
T/SXCIA 001-2024
32017R0062
Commission Implementing Regulation (EU) 2017/62 of 14 December 2016 concerning the authorisation of 3-(methylthio) propionaldehyde, methyl 3-(methylthio) propionate, allylthiol, dimethyl sulfide, dibutyl sulfide, diallyl disulfide, diallyl trisulfide, dimethyl trisulfide, dipropyl disulfide, allyl isothiocyanate, dimethyl disulfide, 2-methylbenzene-1-thiol, S-methyl butanethioate, allyl methyl disulfide, 3-(methylthio) propan-1-ol, 3-(methylthio)
SN/T 5345-2021
\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
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 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 5195.19-2018
Fluorspar—Determination of arsenic content—Silver diethyldithiocarbamate spectrometric method
GB/T 23834.5-2009
Chemical analysis method for stannous sulfate - Part 5: Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometry
GB/T 7043.2-2001
Rubber--Determination of copper content--Zinc diethyldithiocarbamate photometric method
MT/T 371-1994
GB/T 1516-2006
Manganese ores - Determination of arsenic content - Silver diethyldithiocarbamate spectrophotometric method
GB/T 14457.8-1993
Isolate and synthetic aroma chemicals—Determination of tertiary content by acetyl chloride-dimethyl aniline method