HG/T 4979-2016
O-Benzylhydroxylamine hydrochloride
HG/T 4979-2016
Ethoxyamine hydrochloride
HG/T 4979-2016
HG/T 4979-2016
Feed material-Glucosamine hydrochloride
HG/T 4979-2016
Chemical reagent—N-(1-naphthyl)ethylenediamine dihydrochloride
HG/T 4979-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
HG/T 4979-2016
HG/T 4979-2016
N-1-Naphthylethylenediamine dihydrochloride
HG/T 4979-2016
N-1-Naphthylethylenediamine dihydrochloride
HG/T 4979-2016
HG/T 4979-2016
HG/T 4979-2016
HG/T 4979-2016
Methods for analysis of water for boiler and for cooling—The determination of nitrates and nitrites—Alpha-naphthylamine hydrochloride photometric method