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GB/T 20975.16-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 16:Determination of magnesium $240.00 via email in 1~3 business day superseded
GB/T 20975.17-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 17: Determination of strontium content Flame atomic absorption spectrometric method $124.00 via email in 1~3 business day superseded
GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17:Determination of strontium content $165.00 via email in 1~3 business day valid
GB/T 20975.18-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 18:Determination of chromium content $180.00 via email in 1~3 business day superseded
GB/T 20975.18-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content $225.00 via email in 1~3 business day valid
GB/T 20975.19-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 19:Determination of zirconium content $120.00 via email in 1~3 business day superseded
GB/T 20975.19-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 19:Determination of zirconium content $165.00 via email in 1~3 business day valid
GB/T 20975.2-2007 Chemical analaysis methods of aluminium and aluminium alloys—Part 2:Determination of arsenic content—Molybdenum blue spectrophotometric method $164.00 via email in 1~3 business day superseded
GB/T 20975.2-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 2:Determination of arsenic content $140.00 via email in 1~3 business day valid
GB/T 20975.20-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 20:Determination of gallium content Butyrhodamine B spectrophotometric method $124.00 via email in 1~3 business day superseded
GB/T 20975.20-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 20:Determination of gallium content—Butyrhodamine B spectrophotometric method $105.00 via email in 1~3 business day valid
GB/T 20975.21-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 21:Determination of calcium content Flame atomic absorption spectrometric method $100.00 via email in 1~3 business day superseded
GB/T 20975.21-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 21:Determination of calcium content $165.00 via email in 1~3 business day valid
GB/T 20975.22-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 22:Determination of beryllium content SCR spectrophotometric method $130.00 via email in 1~3 business day superseded
GB/T 20975.23-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 23:Determination of antimony content Potassium iodide spectrophotometric method $100.00 via email in 1~3 business day superseded
GB/T 20975.24-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 24:Determination of total rare earth contents $120.00 via email in 1~3 business day superseded
GB/T 20975.25-2008 Methods for chemical analysis of aluminium and aluminium alloys - Part 25:Inductively coupled plasma atomic emission spectrometric method $150.00 via email in 1~3 business day superseded
GB/T 20975.25-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 25:Determination of elements content—Inductively coupled plasma atomic emission spectrometric method $225.00 via email in 1~3 business day valid
GB/T 20975.27-2018 Methods for chemical analysis of aluminium and aluminium alloys—Part 27:Determination of cerium,lanthanum,scandium—Inductively coupled plasma atomic emission spectrometry method $120.00 via email in 1~3 business day valid
GB/T 20975.28-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 28:Determination of cobalt content—Flame atomic absorption spectrometry $80.00 via email in 1~3 business day valid
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