GB/T 6730.47-2017(\u82f1\u6587\u7248)
铁矿石 铌含量的测定 氯代磺酚S分光光度法
GB/T 6730.30-2017(\u82f1\u6587\u7248)
铁矿石 铬含量的测定 二苯基碳酰二肼分光光度法
GB/T 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
SN/T 4014-2013
Determination of chloramine-B and chloramine-T residues in foods for export - GC-MS/MS method
GB/T 6730.47-2017e
Iron ores—Determination of niobium content—Sulfochlorophenol S spectrophotometric method
GB/T 6730.47-2017
Iron ores—Determination of niobium content—Sulfochlorophenol S spectrophotometric method
GB/T 223.40-2007
Iron, steel and alloy - Determination of niobium content - The sulphochlorophenol S spectrophotometric method
DB32/T 1540-2009
GB/T 38741-2020
Oral care and cleansing products—Determination of chlorhexidine, furacin, diclofenac, chloroxylenol and hexamidine diisethionate in toothpastes—High performance liquid chromatography
HB 5220.34-2008
Methods for chemical analysis of superalloys-Part 34:Determination of niobium content by sulphochlorophenol C photometric method
HG/T 5394-2018
4-Toluenesulfonyl chloride for industrial use
HG/T 5393\uff5e5395-2018
T/ZZB 1050-2019
HG/T 4149-2010
Chemicals applied in printing plates-2-Diazo-1-naphthoquinone-5-sulfonyl chloride
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
KS M 8518-2018
Sodium p-toluenesulfonchloramide trihydrate
HG/T 2985-1987
Analytical method of content for DV acid chloride technical
32013R0777R(03)
KS M ISO 17531-2019
Photography — Processing chemicals — Specifications for 4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate