Standards

XB/T 612.3-2025 Nebula iron boron waste chemical analysis method Part 3: Determination of boron, cobalt, aluminum, copper, chromium, nickel, manganese, titanium, calcium, magnesium content by inductively coupled plasma atomic emission spectroscopy

本文件描述了用电感耦合等离子体发射光谱法测定钕铁硼废料中硼、钴、铝、铜、铬、镍、锰、钛、钙、镁含量的方法。本文件适用于钕铁硼废料中硼、钴、铝、铜、铬、镍、锰、钛、钙、镁含量的测定。

Publish Date: 2025-12-17

XB/T 611-2025 The Chemical Analysis of Oxalic Rare Earths: Determination of Ash Content by Weight Method

本文件描述了用重量法测定草酸稀土灼减量的方法。本文件适用于草酸稀土灼减量的测定。

Publish Date: 2025-12-17

XB/T 607-2025 Test method for coating materials of exhaust purification catalysts for gasoline vehicles/hybrid gasoline vehicles

本文件描述了汽油车/混合动力汽油车排气净化催化剂涂层材料中化学成分的半定量分析、粒度分布、烧失率、比表面积及孔容、孔径和涂层厚度的测定方法。本文件适用于汽油车/混合动力汽油车排气净化催化剂中三效催化剂和颗粒捕集催化剂涂层材料的分析。

Publish Date: 2025-12-17

XB/T 635-2025 The Chemical Analysis Method for Cerium Magnesium Alloy Determination of Aluminum, Copper, Iron, Nickel, Zinc, La, Pr, Nd, Y and Gd Content - Spark Discharge Atomic Emission Spectroscopy

本文件描述了用火花放电原子发射光谱法测定铈镁合金中铝、铜、铁、镍、锌、镧、镨、钕、钇和钆含量的方法。本文件适用于铈镁合金中铝、铜、铁、镍、锌、镧、镨、钕、钇和钆含量的测定。

Publish Date: 2025-12-17

XB/T 505-2025 Gasoline-powered vehicle/Hybrid gasoline vehicle exhaust purification catalyst carrier

本文件规定了汽油车/混合动力汽油车排气净化催化剂载体的分类、牌号和标记、技术要求、试验方法、检验规则与标志、包装、运输、贮存及随行文件。本文件适用于以堇青石材料为基体的直通式蜂窝陶瓷载体和壁流式蜂窝陶瓷载体。

Publish Date: 2025-12-17

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