GB/T 20726-2025 Active National standards

GB/T 20726-2025 Microbeam analysis—Selected instrumental performance parameters for the specification and checking of energy-dispersive X-ray spectrometers(EDS)for use with a scanning electron microscope (SEM)or an electron probe microanalyser(EPMA)

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 20726-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electronic optics and other physical optical instruments

ICS Name: Other standards related to analytical chemistry

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国微束分析标准化技术委员会(SAC/TC 38)

Pages: 20 pages

Scope

本文件规定了以半导体探测器、前置放大器和信号处理系统为基本构成的X射线能谱仪最重要的特性参数。
本文件仅适用于使用基于固态电离原理的半导体探测器能谱仪。
本文件规定了与扫描电子显微镜(SEM)或电子探针显微分析仪(EPMA)联用的此类能谱仪性能参数的最低要求及核查方法。用于能谱分析的程序,已由ISO 22309[2]和ASTM E1508[3]规范,不在本文件范围之内。