QB/T 5058-2017
Fragrance- 2,2-dimethyl-3-(4-ethylphenyl) propionaldehyde
GB/T 37640-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
HG/T 6315-2024
HG/T 5845\uff5e5848-2021
HG/T 2335-2003
Photographic chemicals 2[(4-Amino-3-methylphenyl)ethylamino]-ethanol sulfate(CD-4)
HG/T 5484\uff5e5487-2018
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
HG/T 5847-2021
4-Amino-N-[3-(2-Hydroxyephyl)sulfone]phenylbenzamide
HG/T 5949\uff5e5950-2021
T/CDIA 0014-2020
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
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
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
32018R0240
32015D1875
GB/T 27715-2011
3-methylpyridine for industrial use
T/CSTM 01046-2024
HG/T 5687-2020
1,3,3-Trimethy-2-methyleneindoline
GB/T 35500-2017
3,3,3,-Trifluoropropylmethyldimethoxysilane