GB/T 6730.89-2024
Iron ores—Determination of thorium content—Arsenazo Ⅲ spectrophotometric method
DB23/T 2963-2021
HB 5220.43-2008
Methods for chemical analysis of superalloys-Part 43:Determination of lanthanum content by DBC-arsenazo photometric method
HB 5220.42-2008
Methods for chemical analysis of superalloys-Part 42:Determination of cerium content by DBC-arsenazo photometric method
HB 5220.36-2008
Methods for chemical analysis of superalloys-Part 36:Determination of zirconium content by arsenazo Ⅲ photometric method
HB 5220.38-2008
Methods for chemical analysis of superalloys-Part 38:Determination of cerium content by extraction separation-arsenazo Ⅲ photometric method
HB 5422.23-1989
YS/T 746.16-2010
Methods for chemical analysis of lead-free tin-based solders—Part 16:Determination of total rare earth content—Arserazo Ⅲ spectrophotometry
HB 5220.37-2008
Methods for chemical analysis of superalloys-Part 37:Determination of zirconium content by N-benzoyl-N-phenylhydroxylamine-benzene extraction-arsenazo Ⅲ photometric method
SB/T 0921-2012
SB/T 10921-2012
GB/T 22146-2008
Determination of roxarsone in animal feeds - High performance liquid chromatography
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
DB32/T 1167-2007
GB/T 6730.42-2017(\u82f1\u6587\u7248)
铁矿石 铅含量的测定 双硫腙分光光度法
GB/T 33046-2016(\u82f1\u6587\u7248)
橡胶制品 钴含量的测定 原子吸收光谱法
GB/T 6730.8-2016(\u82f1\u6587\u7248)
铁矿石 亚铁含量的测定 重铬酸钾滴定法
GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
GB/T 24583.5-2019(\u82f1\u6587\u7248)
钒氮合金 磷含量的测定 铋磷钼蓝分光光度法
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