HG/T 6251-2023
GB 1886.347-2021
HG/T 2417-1993
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
HG/T 4709-2014
HG/T 4711-2014
QB/T 5633.6-2022
20240389-T-608
Textiles —Determination of polyhexamethylene biguanide hydrochloride
HB 5220.33-2008
Methods for chemical analysis of superalloys-Part 33:Determination of niobium content by tetraphenyl arsonium chloride hydrochloride gravimetric method
DB53/T 842-2017
T/CASME 540-2023
GB/T 4325.28-1984
Methods for chemical analysis of molybdenum--The tetraphenyl arsonium chloride hydrochloride-thiocyanate photometric method for the determination of tungsten content
T/QGCML 2622-2023
ASTM D4224-89
Test Method for Anionic Detergent by Para-Toluidine Hydrochloride (Withdrawn 1995)