YB/T 4743-2019
Crude methylphenol
YB/T 4744-2019
4-Methylphenol
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
UNE 84691:2006
Cosmetic raw materials. Sunscreens. 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol.
GB/T 20435-2006
Octamethylcyclotetrasiloxane
QB/T 2748-2012
GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
GB/T 1400-2014
Chemical reagent―Hexamethylene tetramine
HG/T 5274-2017
4-Chloro-3,5-dimethylphenol
HG/T 6342-2024
UNE 84692:2006
Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{(4-(2-ethyl-hexyloxy)-2-hydroxy)-phenyl}-6-(4-methoxyphenyl) and 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol. Determination by liquid chromatography.
GB/T 9015-1998
Hexamethylene tetramine for industrial use
HG/T 5624-2019
HG/T 5625-2019
HG/T 5791-2021
2-Methyltetrahydrofuran for industrial use
SH/T 1822-2019
1,2,4,5-Tetramethylbenzene
HG/T 5624\uff5e5627-2019
BBl 2022 2712
BBl 2022 1974
HG/T 4890-2016
Vulcanizing accelerator-Tetramethylthiuram monosulfide (TMTM)