HG/T 5485-2018
2-Methoxy-5-methylaniline-4-sulfonylethyl hydrogen sulfate ester
HG/T 5484\uff5e5487-2018
GB 1886.368-2023
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
HG/T 2417-1993
HG/T 2335-1992
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
KS M ISO 17531-2019
Photography — Processing chemicals — Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
HG/T 3958-2023
BS ISO 17531:2002
Photography. Processing chemicals. Specifications for 4-(N-ethyl-N-2- methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
ISO 17531:2002
Photography — Processing chemicals — Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
GA/T 2047-2023
Forensic sciences—Examination methods for benzyl cyanide,3-oxo-2-phenylbutanamide,3-oxo-2-phenylbutyrate in suspected precursor chemicals—GC and GC-MS
32008H0098
HG/T 5848-2021
2,4-Dimethylacetoacetanilide
HG/T 5344-2018
Chemical reagent-2-Butanone
GB/T 38592-2020
Determination of 4,4'-methylene-bis(2-chloroaniline) in textile dyeing and finishing auxiliaries
HG/T 5845\uff5e5848-2021
32015D1873
HG/T 3416-2009