GB/T 11060.3-2018
Natural gas─Determination of sulfur compound─Part 3:Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method
KS E ISO 11441-2021
Lead sulfide concentrates — Determination of lead content —Back titration of EDTA after precipitation of lead sulfate
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
KS E ISO 11441-2011(2016)
Lead sulfide concentrates-Determination of lead content-Back titration of EDTA after precipitation of lead sulfate
KS E ISO 13545-2011(2016)
Lead sulfide concentrates-Determination of lead content-EDTA titration method after acid digestion
KS E ISO 13545-2021
Lead sulfide concentrates — Determination of lead content —EDTA titration method after acid digestion
ISO 13545:2000
Lead sulfide contentrates — Determination of lead content — EDTA titration method after acid digestion
ISO 11441:1995
Lead sulfide concentrates — Determination of lead content — Back titration of EDTA after precipitation of lead sulfate
GB/T 11060.3-2010
Natural gas—Determination of sulfur compound—Part 3:Determination of hydrogen sulfide content by lead acetate reaction rate dual photo path method
GB/Z 39124-2020
Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method
AS 4030.2-1996
Methods for the analysis of lead sulfide concentrates, Part 2: Determination of lead content - Back titration of EDTA after precipitation of lead sulfate
GB/T 18605.1-2001
Natural gas—Determination of hydrogen sulfide content—Part 1:Lead acetate reaction rate dual photo path method
GB/T 18605.2-2001
Natural gas—Determination of hydrogen sulfide content—Part 2:Lead acetate reaction rate single photo path method
AS 4030.1-2002
Lead sulfide concentrates - Chemical analysis, Part 1: Determination of lead content - EDTA titration method after acid digestion
BS EN 50414:2006
Test methods for analysis of lead in PVC taken from insulation and sheath of electric and optical fibre cables. Method A: Total lead content determination with flame excitation atomic absorption spectrometry. Method B: Qualitative analysis of lead by lead sulphide staining
UNE-EN 50414:2006
Test methods for analysis of lead in PVC taken from insulation and sheath of electric and optical fibre cables - Method A: Total lead content determination with flame excitation atomic absorption spectrometry - Method B: Qualitative analysis of lead by lead sulphide staining
GB/T 23834.4-2009
Chemical analysis method for stannous sulfate - Part 4: Determination of lead and copper content - Flame atomic absorption spectrometry
KS E ISO 9599-2018
Copper, lead, zinc and nickel sulfide concentrates — Determination of hygroscopic moisture content of the analysis sample — Gravimetric method
GB/T 30082-2013
Copper,lead and zinc sulfide concentrates―Determination of mass of contained metal in a lot
ISO 9599:2015
Copper, lead, zinc and nickel sulfide concentrates — Determination of hygroscopic moisture content of the analysis sample — Gravimetric method