Standards

XB/T 521-2022 Active

XB/T 521-2022 Superfine Gd oxide powder

This document is applicable to ultra-fine gadolinium oxide powder with an apparent average particle size of no more than 1 μm, which is produced by chemical methods and used in fields such as electronic ceramics, magnetic bubble memory storage materials, thermal spraying, and glass.

Publish Date: 2022-09-30

XB/T 221-2022 Active

XB/T 221-2022 Ammonium cerium(IV) nitrate

This document applies to ceric nitrate ammonium obtained by chemical synthesis and concentration crystallization using ceric carbonate or ceric nitrate, hydrogen peroxide, nitric acid, ammonia water, and ammonium nitrate as the main raw materials. It is mainly used as a catalyst for automobile exhaust gas treatment, a catalyst for organic volatile gas treatment, an oxidant and catalyst for organic synthesis, an etchant in the field of electronic technology, and high-end polishing powder and other products.

Publish Date: 2022-09-30

XB/T 520-2021 Active

XB/T 520-2021 Cerium-doped gadolinium gallium aluminum garnet polycrystalline scintillator。

This document is applicable to cerium-doped gadolinium gallium aluminum garnet polycrystalline scintillators used in high-energy physics experiments, nuclear medicine imaging, security inspections, nuclear radiation detection, and industrial non-destructive testing.

Publish Date: 2021-12-02

XB/T 519-2021 Active

XB/T 519-2021 cerium sulfide

This document is applicable to cerium sulfide produced by chemical methods using cerium oxide, cerium carbonate, and other compounds as raw materials. It is used as a pigment in industries such as plastics, coatings, enamels, glass, rubber, inks, and construction.

Publish Date: 2021-12-02

XB/T 518-2021 Active

XB/T 518-2021 cerium-zirconium composite oxide

This document is applicable to cerium-zirconium composite oxides produced by chemical methods, which are mainly used in catalysts for vehicle exhaust gas purification and catalysts for the purification of volatile organic waste gas, etc.

Publish Date: 2021-12-02

XB/T 238-2021 Active

XB/T 238-2021 Fluorinated gadolinium

This document is applicable to gadolinium fluoride obtained by chemical methods, which is used for the production of gadolinium metal and gadolinium-iron alloys, etc.

Publish Date: 2021-12-02

XB/T 237-2021 Active

XB/T 237-2021 Fluorinated Praseodymium

This document is applicable to praseodymium fluoride obtained by chemical methods. It is mainly used as a raw material for preparing praseodymium metal, and is also used as an additive for arc carbon rods, for coating organic glass, and as a material for optical coatings, etc.

Publish Date: 2021-12-02

XB/T 408-2021 Active

XB/T 408-2021 Samarium magnesium alloy

This document is applicable to samarium-magnesium alloys produced by the melt-casting method, which are mainly used in the production of thin-walled 3C electronic products, as well as heat-resistant components of automotive engine cylinder blocks and gearbox housings, and die-casting components of intelligent robots, among other applications, serving as the main additives for rare earth magnesium alloys.

Publish Date: 2021-12-02

XB/T 516-2021 Active

XB/T 516-2021 Silicon-based Yttrium Lanthanum Crystal Recycled Material

This document applies to the recovery, processing, and trading of various recyclable materials generated during the production and processing of yttrium lutetium silicate crystals. Similarly, the recovery of various recyclable materials generated during the production and processing of lanthanum lutetium silicate [Lu2SiO5] and gadolinium lutetium silicate [(LuxGd1-x)2SiO5] crystals can be implemented in accordance with this document.

Publish Date: 2021-05-17

XB/T 517-2021 Active

XB/T 517-2021 Recycling materials for rare earth flaming smelting recovery

This document is applicable to the rare earth smelting and recovery materials produced by molten salt electrolysis or thermal reduction processes.

Publish Date: 2021-05-17

XB/T 807-2021 Active

XB/T 807-2021 Technical specifications for recycling waste sintered neodymium iron boron magnets

This document is applicable to the recycling and regeneration of used sintered NdFeB magnets using the powder metallurgy process.

Publish Date: 2021-05-17

XB/T 806-2021 Active

XB/T 806-2021 XB/T 806-2021 Nibond production processing recycled materials rare earth element recovery and utilization technical specifications

This document is applicable to the chemical recovery and utilization of rare earth elements in the recycled materials of neodymium-iron-boron production and processing.

Publish Date: 2021-05-17