HG/T 5623-2019
HG/T 5694\uff5e5697-2020
HG/T 5696-2020
p-Nitrotolnene-o-snlfonic acid
HG/T 5620\uff5e5623-2019
HG/T 5393\uff5e5395-2018
HG/T 5713\uff5e5716-2020
HG/T 3678-2010
p-Sulfanilic acid
HG/T 2746-2010
Sodium sulphanilate
GBZ/T 300.116-2018
Determination of toxic substances in workplace air-Part 116: p-Toluenesulfonic acid
UNE-EN 15168:2007
Surface active agents - Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
DIN EN 15168
Surface active agents - Determination of hydroxyl value - p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
BS EN 15168:2006
Surface active agents. Determination of hydroxyl value. p-Toluensulfonyl isocyanate (TSI) method and potentiometric titration with tetrabutylammonium hydroxide
EN 15168:2006
T/ACIA 004-2023
T/HEBQS 05-2022
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
HG/T 3678-2000
p-Sulfanilic Acid
SN/T 5308-2021
HG/T 4896~4897-2016
HG/T 5258-2017
Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine