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
QB/T 1035.4-1991
GB/T 27717-2011(\u82f1\u6587\u7248)
家具中富马酸二甲酯含量的测定
HB/Z 5108.3-1999
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
KS M ISO 2997-2017(2022)
Phosphoric acid for industrial use-Determination of sulphate content-Method by reduction and titrimetry
KS M ISO 2997-2017
Phosphoric acid for industrial use-Determination of sulphate content-Method by reduction and titrimetry
DB45/T 1152-2015
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
KS D 1673-5-2023
Iron and steel — ICP atomic emission spectrometric method — Part 5: Determination of niobium content — Dissolution in phosphoric and sulfuric acids or Dissolution in acids and fusion with potassium disulfate
KS D 1673-9-2023
Iron and steel — ICP atomic emission spectrometric method — Part 9: Determination of tungsten content — Decomposition with phosphoric and sulfuric acids
T/LNIQA 019-2024
KS D 1673-6-2023
Iron and steel — ICP atomic emission spectrometric method — Part 6: Determination of boron content — Dissolution in phosphoric and sulfuric acids
JIS G 1258-8:2017
Iron and steel -- ICP atomic emission spectrometric method -- Part 8: Determination of tungsten content -- Decomposition with phosphoric and sulfuric acids
JIS G 1258-5:2007
Iron and steel -- ICP atomic emission spectrometric method -- Part 5: Determination of boron content -- Dissolution in phosphoric and sulfuric acids
JIS G 1258-4:2007
Iron and steel -- ICP atomic emission spectrometric method -- Part 4: Determination of niobium content -- Dissolution in phosphoric and sulfuric acids or Dissolution in acids and fusion with potassium disulfate
ISO 2997:1974
Phosphoric acid for industrial use — Determination of sulphate content — Method by reduction and titrimetry
HG/T 5214~5217-2017
GB/T 10209.2-2010
Determination of monoammonium phosphate and diammonium phoshpate - Part 2: Phosphorus content
HG/T 5514\uff5e5516-2019