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
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 34765-2017
Determination of mineral fulvic acids content
GB/T 34766-2017
Determination of total humic acid content from mineral source
GB/T 35106-2017
Determination of unbound humic acid content from mineral source
GB/T 44943-2024
Footwear—Chemical tests—Determination of the content of ortho-phenylphenol—HPLC-MS/MS
GB/T 43314-2023
Silicone rubber—Determination of phenyl and vinyl content—1H-NMR method
GB/T 35107-2017
Determination of soluble humic acid content for mineral humic acid fertilizers
GB/T 21514-2008
Determination of the content of fatty acids in feeds
GB/T 29644-2013
Rubber,vulcanized - Determination the content of N-phenyl-β-naphthylamine - High performance liquid chromatogramic method
GB/T 4333.6-2019
Ferrosilicon—Determination of chromium content—Diphenylcarbazide spectrophotometric method
NY/T 4429-2023
GB/T 38216.1-2019
Steel slag—Determination content of chromic oxide—Diphenyl carbazide spectrophotometry method
HG/T 5859-2021
Determination of component content for 2-biphenylyl diphenyl phosphate (BDP) used in triacetyl cellulose (TAC) film
GB/T 6730.30-2017e
Iron ores—Determination of chromium content—Diphenyl carbazide spectrophotometric method
GB/T 6730.30-2017
Iron ores—Determination of chromium content—Diphenyl carbazide spectrophotometric method
GB/T 6730.71-2014
Iron ores―Determination of acid-soluble iron(II) content―Titrimetric method
GB/T 27717-2011e
Determination of dimethyl fumarate of furniture
GB/T 27717-2011
Determination of dimethyl fumarate of furniture