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
HG/T 5484\uff5e5487-2018
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
T/SDSES 015-2023
GB/T 38593-2020
m-Aminobenzotrifluoride
HG/T 6302-2024
GB/T 23669-2016
2,6-Dibromo-4-nitroaniline
GB/T 26603-2011
N,N-Dimethy aniline
HG/T 5842-2021
ο-Acetoacetotoluidide
GB/T 15917.3-1995
Dysprosium and dysprosium oxide—Determination of tantalum content—Para-chloride—phenylfluorone-cetyl trimethyl ammonium bromide-ethanol spectrophotometric method
HG/T 3409-2010
N-Methylaniline
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
HG/T 3958-2023
GB/T 6900.7-1986
Fireclay and high-alumina refractories—Determination of magnesium oxide content—Xylidyl blue Ⅰ-CTAB photometric method
SN/T 4303-2015
Determination of aniline and methyl aniline compounds in motor gasoline - Gas chromatography
HG/T 5486-2018
2-Cyano-4-nitro-6-bromoaniline
HG/T 3753-2014
6-Brmom-2,4-dinitroaniline
HG/T 5848-2021
2,4-Dimethylacetoacetanilide
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