GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
GB/T 223.50-1994
Methods for chemical analysis of iron,steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
GB/T 1400-2014
Chemical reagent―Hexamethylene tetramine
GB/T 9015-1998
Hexamethylene tetramine for industrial use
GB/T 15917.3-1995
Dysprosium and dysprosium oxide—Determination of tantalum content—Para-chloride—phenylfluorone-cetyl trimethyl ammonium bromide-ethanol spectrophotometric method
GB/T 6730.34-2017e
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 6730.34-2017
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
20231398-T-606
Hexamethylenetramine for industrial use
GB/T 33317-2016
Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method
GB/T 12689.10-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of tin content--The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
KS M 8432-2012(2023)
Hexamethylenetetramine
GB/T 1400-1993
Chemical reagent—Hexamethylene tetramine
KS M 8432-2012(2018)
Hexamethylenetetramine
T/SDSCCE 016-2022
YS/T 981.4-2014
Method for chemical analysis of high pure indium—Determination of tin content—Benzfluorenone-cetyltrimethylammonium bromide spectrophotometric method
YS/T 276.2-2011
Methods for chemical analysis of indium—Part 2:Determination of tin content—Phenylfluorone-cetyltrimethyl ammonium bromide spectrophotometry
GB/T 23296.26-2009
Food contact materials - Polymer - Determination of formaldehyde and hexamethylenetetramine in food simulants - Spectrophotometry
MIL MIL-H-502B Notice 5-Validation
Hexamethylenetetramine, Technical
\u0413\u041e\u0421\u0422 32533-2013
Hexamethylene diamine. Determination in air
HG/T 2755-1996