对硫甲基苯检测标准

Chemical analysis methods and determination of physical performanceof alumina--Determination of sulfate content--N，N-dimethyl-P-phenylenediamine spectrophotometric method

N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate

Methods for chemical analysis of aluminium oxide--The N,N-dimethyl-P-phenylenediamine photometric method for the determination of sulfate content

o-Methoxyaniline-p -sulfonylethyl hydrogen sulfate ester

Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride

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

Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine

Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine（6PPD）

Determination of thiophanate-methyl,thiophanate,carbendazim,benomyl and thiabendazole residues in fruits for export-HPLC method

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

Methods for analysis of groundwater quality-Part 67：Determination of sulfide—N,N-dimethyl-1,4-phenylenediamine spectrophotometry