GB/T 2968-2008
Samarium metal (English Version)

Standard No.

GB/T 2968-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2021-10

Replace By

GB/T 2968-2020

Latest

GB/T 2968-2020

Replace

GB/T 2968-1994

Scope

This standard specifies the requirements, test methods, inspection rules and signs, packaging, transportation and storage of samarium metal. This standard applies to metal samarium produced by metallothermic reduction, which is mainly used as samarium cobalt permanent magnet materials.

GB/T 2968-2008 Referenced Document

• GB/T 12690.1 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 1：Determination of carbon and sulfur contents—High frequency-infrared absorption method*， 2022-12-30 Update
• GB/T 12690.10 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of phosphorus content by molybdenum blue spectrophotometric method
• GB/T 12690.11 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of magnesium content-Flame atomic absorption spectrometric method
• GB/T 12690.12 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of thorium content-Arsenazo III spectrophotometric method and inductively coupled plasma mass spectrum method
• GB/T 12690.13 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of molybdenum and tungsten content-Inductively coupled plasma atomic emission spectrographic method and inductively coupled plasma mass spectrum me
• GB/T 12690.14 Chemical analysis methods for non-rare earth impurities in rare earth metals and their oxide.Determination of titanium in rare earth metals
• GB/T 12690.15 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides―Part 15: Determination of calcium content*， 2018-07-13 Update
• GB/T 12690.16 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides—Part 16:Determination of fluorine content—Ion selective electrode analysis*， 2011-01-14 Update
• GB/T 12690.17 Chemical analysis methods of non-rare earth impurities in rare earth metals and the oxides.Part 17: Determination of niobium and tantalum contents of rare earth metals*， 2011-01-14 Update
• GB/T 12690.18 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides— Part 18: Determination of zirconium content*， 2017-10-14 Update
• GB/T 12690.19 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 19: Determination of arsenic and mercury contents*， 2018-09-17 Update
• GB/T 12690.2 Chemical analysis methods for nonrare earth impurity of rare earth metals and their oxides—Part 2: Determination of ignition loss content of rare earth oxides—Gravimetric method*， 2015-09-11 Update
• GB/T 12690.24 Rare-earth metals and their oxides--Determination of aluminum content--Aluminum-chromazurol S-hexadecyl-trimethyl ammonium bromide-ethanol spectrophotometric method
• GB/T 12690.27 Rare-earth metals and their oxides--Determination of ignition loss--Gravimetric method
• GB/T 12690.28 Rare earth metals and their oxide-Determination of calcium oxide content-Inductively coupled plasma atomic emission spectrographic method
• GB/T 12690.29 Rare earth metals and their oxide Determination of cerium oxide content-Fluorescent spectrophotometric method
• GB/T 12690.3 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides.Part 3:Determination of water content of rare earth oxides.Gravimetric method*， 2015-09-11 Update
• GB/T 12690.4 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method*， 2021-10-11 Update
• GB/T 12690.5 "Chemical analysis methods for nonrare earth impurities of rare earth metals and their oxides—Part 5:Determination of cobalt,manganese,lead,nickel,copper,zinc,aluminum,chromium,magnesium, cadmium,v"
• GB/T 12690.6 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 6: Determination of iron content—Kslium thiocyanate, 1,10-Phenanthroline spectrophotometric method*， 2017-10-14 Update
• GB/T 12690.7 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content*， 2021-10-11 Update
• GB/T 12690.8 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8: Determination of sodium content*， 2021-10-11 Update
• GB/T 12690.9 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of chlorine content-Silver nitrate turbidimetric method
• GB/T 14635 Rare earth metals and their compounds—Determination of total rare earth content*， 2020-11-19 Update
• GB/T 18115.5 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Samarium.Determination of lanthanum,cerium,praseodymium,neodymium,europium,gadolinium, terbium,dysprosium,holmium,erbium,thulium, ytterbium, lutetium and yttrium cont
• GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*， 2008-07-16 Update

GB/T 2968-2008 history

• 2020 GB/T 2968-2020 Samarium metal
• 2008 GB/T 2968-2008 Samarium metal
• 1994 GB/T 2968-1994 Samarium metal