GB 5009.282-2020
EN 13926:2003
BS EN 13926:2003
Surface active agents. Alkoxylated derivatives. Determination of hydroxyl value. N-methyl imidazole method
UNE-EN 13926:2003
Surface active agents - Alkoxylated derivatives - Determination of hydroxyl value - N-methyl imidazole method
SN/T 5695-2024
DIN EN 13926
Surface active agents - Alkoxylated derivatives - Determination of hydroxyl value; N-methyl imidazole method
SN/T 4958-2017
GB/T 29668-2013
Cosmetic preservative - Diazolidinyl urea
GB/T 26603-2011
N,N-Dimethy aniline
HG/T 4716-2014
HG/T 5261~5262-2017
HG/T 3409-2010
N-Methylaniline
HG/T 5261-2017
Rubber antioxidant—2-Mercapto-4(or 5)-methylbenzimidazole(MMBI)
HG/T 6159-2023
GB/T 43179-2023
Determination of material insoluble in N,N-dimethylformamide for pesticides
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
GB/T 17521-1998
Chemical reagent--N,N-Dimethylformamide
GB/T 27563-2011
N-Methyl-2-Pyrrolidone for industrial use
20213115-T-608
Textiles — Determination of 1-vinylimidazole and 2-methylimidazole
GB/T 21841-2019
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD)