HG/T 5501\uff5e5504-2018
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
HG/T 5623-2019
MT/T 371-1994
HG/T 5502-2018
N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate
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
HG/T 5845\uff5e5848-2021
HG/T 5886\uff5e5889-2021
HG/T 5489-2018
o-Methoxyaniline-p -sulfonylethyl hydrogen sulfate ester
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
HG/T 5488\uff5e5491-2018
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
HG/T 5258-2017
Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine
HG/T 4896~4897-2016
GB/T 21841-2019
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD)
SN/T 0162-2011
Determination of thiophanate-methyl,thiophanate,carbendazim,benomyl and thiabendazole residues in fruits for export-HPLC method
\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
DZ/T 0064.67-2021
Methods for analysis of groundwater quality-Part 67:Determination of sulfide—N,N-dimethyl-1,4-phenylenediamine spectrophotometry
HG/T 5803\uff5e5806-2021
HJ 674-2013