HG/T 5791-2021
2-Methyltetrahydrofuran for industrial use
GB 29961-2013
HG/T 5463-2018
Vulcanizing accelerator-3-Methylthiazolidine-2-thione (MTT)
QB/T 5063-2017
HG/T 5788\uff5e5791-2021
HG/T 5344\uff5e5349-2018
20240271-T-469
Natural gas—Determination of odorant—Part 2:Determination of tetrahydrothiophene by electrochemical sensor
32017R0057
HG/T 5616\uff5e5619-2019
HG/T 5274~5276-2017
32018R0248
HG/T 6342-2024
DB35/T 1690-2017
GB/T 40704-2021
Natural gas—Determination of odorant tetrahydrothiophene—On-line sampling gas chromatography method
UNE 84691:2006
Cosmetic raw materials. Sunscreens. 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol.
32018R0247
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.
SY/T 7607-2020
Rapid determination of hydrogen sulfide and tetrahydrothiophenein natural gas by gas chromatography method with micro TCD
T/QGCML 3334-2024
32015D1873