Standards

XB/T 301-2013 Replaced

XB/T 301-2013 High purity dysprosium

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, storage, and quality certificates for high-purity dysprosium metal.
This standard applies to high-purity dysprosium metal obtained by direct reduction, intermediate alloying, and vacuum distillation methods, and is mainly used in the production of high-performance dysprosium lamps, high-performance terbium-dysprosium iron supermagnetostrictive alloys, and magneto-optical recording materials, etc.

Publish Date: 2013-04-25

XB/T 302-2013 Replaced

XB/T 302-2013 High-purity terbium

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, storage, and quality certificates for high-purity terbium metal.
This standard applies to high-purity terbium metal produced by direct reduction, intermediate alloying, and vacuum distillation methods, and is mainly used in the production of high-performance supermagnetostrictive alloys such as terbium-dysprosium iron, and optical magnetic recording materials, etc.

Publish Date: 2013-04-25

XB/T 403-2012 Replaced

XB/T 403-2012 Gadolinium ferroalloy

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, storage, and quality certificates for gadolinium-iron alloys.
This standard applies to gadolinium-iron alloys produced by electrolysis and melting-casting methods, which are mainly used in the preparation of high-performance rare earth permanent magnet materials such as neodymium-iron-boron.

Publish Date: 2012-11-07

XB/T 103-2010 Replaced

XB/T 103-2010 Bastnaesite concentrate

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, and storage of fluorocarbon cerium lanthanum ore concentrates.
This standard is applicable to fluorocarbon cerium lanthanum ore concentrates obtained through mining, which are used for extracting rare earth compounds and smelting rare earth alloys.

Publish Date: 2010-11-10

XB/T 104-2010 Replaced

XB/T 104-2010 Monazite concentrate

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of monazite concentrates.
This standard applies to dry monazite concentrates obtained by mineral processing from placer deposits, which are used for extracting rare earth compounds and thorium, among other purposes.

Publish Date: 2010-11-10

XB/T 612.1-2009 Replaced

XB/T 612.1-2009 Chemical analysis methods of scraps of neodymium iron boron—Part 1:Determination of total rare earth oxides content—Gravimetry

This part of XB/T 612 specifies the method for determining the total amount of rare earth oxides in neodymium-iron-boron waste. This part is applicable to the determination of the total amount of rare earth oxides in neodymium-iron-boron waste. The measurement range is 5.00% to 70.00%.

Publish Date: 2009-12-04

XB/T 222-2008 Replaced

XB/T 222-2008 Cerium hydroxide

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, and storage of cerium hydroxide.
This standard applies to cerium hydroxide prepared by chemical methods using pure cerium compounds as raw materials. It is mainly used as a raw material for ammonium ceric nitrate.

Publish Date: 2008-02-01

XB/T 402-2008 Replaced

XB/T 402-2008 Al-Sc master alloy

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage of aluminum-scandium intermediate alloys. This standard applies to aluminum-scandium intermediate alloys produced by the molten reduction method. This product is mainly used in high-performance special aluminum alloys, titanium alloy additives, and other applications.

Publish Date: 2008-02-01

XB/T 501-2008 Replaced

XB/T 501-2008 Lanthanum hexaboride

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of lanthanum hexaboride.
This standard applies to lanthanum hexaboride powders obtained by reducing lanthanum oxide with boron carbide (or pure boron), polycrystalline lanthanum hexaboride prepared by hot pressing, and monocrystalline lanthanum hexaboride produced by arc method. This product is mainly used as a cathode emission material.

Publish Date: 2008-02-01

XB/T 102-2007 Replaced

XB/T 102-2007 Mixed concentrate of bastnasite and monazite

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, and storage of fluorocarbon cerite-monazite mixed concentrates.
This standard applies to fluorocarbon cerite-monazite mixed concentrates obtained through mining, which are used for extracting rare earth compounds and smelting rare earth alloys.

Publish Date: 2007-08-01

XB/T 211-2007 Replaced

XB/T 211-2007 Rare earth abundance with samarium,europium and gadolinium oxides

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, and storage of samarium-europium-gadolinium concentrates. This standard applies to samarium-europium-gadolinium concentrates produced by extraction separation. This product is mainly used as a raw material for extracting single rare earth elements such as samarium, europium, and gadolinium, and is intended for further processing.

Publish Date: 2007-08-01

XB/T 218-2007 Replaced

XB/T 218-2007 Yttrium metal

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage of metallic yttrium. This standard applies to metallic yttrium obtained by the calcium thermal reduction method, the intermediate alloy method, and the electrolytic method, which is used as an additive for black and colored special alloys, and as a functional material in industries such as electronics and atomic energy.

Publish Date: 2007-08-01