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GB/T 12689.9-2004 (30.4.2004)

GB/T 12689.9-2004 (30/04/2004)

The methods for chemical analysis of zinc and zinc alloys--The determination of antimony content--The atomic fluorescence spectrometer and the flame atomic absorption spectrometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 226.80 USD more info
GB/T 12690.1-2022 (30.12.2022)

GB/T 12690.1-2022 (30/12/2022)

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1Determination of carbon and sulfur contents—High frequency-infrared absorption method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 238.80 USD more info
GB/T 12690.10-2003 (18.11.2003)

GB/T 12690.10-2003 (18/11/2003)

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides--Determination of phosphorus content by molybdenum blue spectrophotometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 190.80 USD more info
GB/T 12690.11-2025 (1.8.2025)

GB/T 12690.11-2025 (01/08/2025)

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides— Part 11: Determination of magnesium content—Flame atomic absorption spectrometric method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 262.80 USD more info
GB/T 12690.12-2024 (25.4.2024)

GB/T 12690.12-2024 (25/04/2024)

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12: Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 312.00 USD more info
GB/T 12690.12-2024E (25.4.2024)

GB/T 12690.12-2024E (25/04/2024)

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 12:Determination of thorium and uranium contents—Inductively coupled plasma mass spectrum method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

GB/T 12690.13-2025 (27.2.2026)

GB/T 12690.13-2025 (27/02/2026)

Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides—Part 13:Determination of molybdenum and tungsten content

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

GB/T 12690.13-2026 (27.2.2026)

GB/T 12690.13-2026 (27/02/2026)

Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides—Part 13: Determination of molybdenum and tungsten content

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 370.80 USD more info
GB/T 12690.14-2006 (13.4.2006)

GB/T 12690.14-2006 (13/04/2006)

Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides Determination of titanium in rare earth metals

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 250.80 USD more info
GB/T 12690.15-2018 (13.7.2018)

GB/T 12690.15-2018 (13/07/2018)

Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxidesPart 15: Determination of calcium content

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

from 382.80 USD more info
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