Standards

XB/T 634-2025 The Chemical Analysis Methods of Praseodymium and Neodymium - Determination of Carbon, Iron, Molybdenum, Aluminum, Silicon and Praseodymium Content - Spark Discharge Atomic Emission Spectroscopy

Publish Date: 2025-08-19

XB/T 410-2025 Erbium magnesium alloy

Publish Date: 2025-08-19

XB/T 409-2025 lanthanum-cerium aluminum alloy

Publish Date: 2025-08-19

XB/T 307-2025 Highly pure metal holmium

Publish Date: 2025-04-10

XB/T 306-2025 Highly pure erbium metal

Publish Date: 2025-04-10

XB/T 507-2024 Sintered SmCo type 2:17 type permanent magnet material

This document is applicable to sintered samarium-cobalt permanent magnet materials of type 2:17 produced by powder metallurgy, which are mainly used in aerospace, microwave communication, electrical engineering, instrumentation, magnetic machinery, medical devices, and other fields.

Publish Date: 2024-10-24

XB/T 817-2024 XB/T 817-2024 Rare Earth Fluorescent Powder Green Factory Evaluation Requirements

This document is applicable to the green factory evaluation of enterprises or production units engaged in the production of LED phosphors, rare earth trichromatic phosphors, long-afterglow phosphors, and special phosphors (including gadolinium europium oxide sulfate, phosphate phosphors, etc.).

Publish Date: 2024-03-29

XB/T 524-2023 Highly pure metal yttrium target

This document is applicable to high-purity yttrium target materials produced by vacuum casting and powder metallurgy, and is mainly used in fields such as electronic information, coatings, and displays.

Publish Date: 2023-12-20

XB/T 523-2023 Superfine Cerium Oxide Powder

This document is applicable to ultra-fine cerium 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 catalytic materials, polishing materials, and UV shielding materials.

Publish Date: 2023-12-20

XB/T 305-2023 Highly pure metal yttrium

This document is applicable to high-purity yttrium obtained by purification methods such as vacuum refining, vacuum distillation, and zone melting, and is mainly used in the production of high-purity yttrium targets and their alloy targets, special alloy materials, and coating materials.

Publish Date: 2023-12-20

XB/T 304-2023 Highly pure metal lanthanum

This document is applicable to high-purity lanthanum obtained by purification methods such as vacuum refining, electrolytic refining, and zone melting, and is mainly used in the production of lanthanum targets and hydrogen storage materials.

Publish Date: 2023-12-20

XB/T 243-2023 lithium cerium chloride (LaCeCl3)

This document applies to lanthanum cerium chloride solid and liquid products obtained by chemical methods from rare earth minerals, which are used as raw materials for the production of petroleum cracking catalysts, rare earth polishing powders, and other rare earth products.

Publish Date: 2023-12-20