HG/T 5274-2017
4-Chloro-3,5-dimethylphenol
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
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 21841-2019
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD)
HG/T 4898-2016
Blend of rubber antioxidant-N-( 1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine and N-(1,4-dimethylpentyl)-N'-phenyl-p-phenylenediamine (6PPD/7PPD)
HG/T 4897-2016
Rubber antioxidant-N,N'-bis(1,4-dimethylpentyl)-p-phenylenediamine (77PD)
HG/T 5274~5276-2017
HG/T 5075-2016
Rubber antioxidant-N-(1,4-dimethylpentyl)-N'-phenylp-phenylenediamine(7PPD)
HG/T 4896~4897-2016
HG/T 5083-2016
Rubber antioxidant-2,4,6-Tris(N-1,4-dimethylpentyl-p-phenylenediamino)-1,3,5-triazine
T/JSCIA 3-2024
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
DZ/T 0064.67-2021
Methods for analysis of groundwater quality-Part 67:Determination of sulfide—N,N-dimethyl-1,4-phenylenediamine spectrophotometry
DZ/T 0064.67-1993
ISO 23696-1:2023
Water quality — Determination of nitrate in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
\u0413\u041e\u0421\u0422 11363-91
Technical dimethyl-terephthalate. Specifications
HG/T 3516-1999
Industrial circulating cooling water—Determination of nitrate—2,6-Dimethylphenol spectrometric method
MT/T 371-1994
ISO 23697-1:2023
Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
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