GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
HG/T 4711-2014
GB/T 33317-2016
Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method
HG/T 2417-1993
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
HG/T 5250~5252-2017
20231371-T-606
Plastics — Phenolic resins — Determination of hexamethylenetetramine content\r Kjeldahl method,perchloric acid method and hydrochloric acid method
WS/T 168-1999
Workplace air—Determination of diphenyl methand 4,4'-di-iso-cyanate-N-(1-naphthyl)ethylenediamine dihydrochloride spectrophotometric method
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
T/CASME 540-2023
GB/T 6685-2007
Chemical reagent - Hydroxylammonium chloride
KS M ISO 8988-2010(2020)
Plastics-Phenolic resins-Determination of hexamethylenetetramine content-Kjeldahl method, perchloric acid method and hydrochloric acid method
HG/T 3736-2013
Hydroxylammonium chloride for industrial use
HG/T 4982-2016
Ethoxyamine hydrochloride
HG/T 4979-2016
O-Benzylhydroxylamine hydrochloride
BS EN ISO 8988:2006
Plastics. Phenolic resins. Determination of hexamethylene-tetramine content. Kjeldahl method, perchloric acid method and hydrochloric acid method
HG/T 4712-2014
HG/T 3407-2010
Scarlet base RC (2-Methoxy-5-nitroaniline hydrochloride)
ISO 8988:2006
Plastics — Phenolic resins — Determination of hexamethylenetetramine content — Kjeldahl method, perchloric acid method and hydrochloric acid method