Standard No.:	GB/T 5124.5-2024
English Name:	Methods for chemical analysis of hardmetals—Part 5:Determination of tantalum and niobium content—Inductively coupled plasma emission spectrometry
Chinese Name:	硬质合金化学分析方法 第5部分：钽、铌含量的测定 电感耦合等离子体发射光谱法
Chinese Classification:	H16    Powder metallurgy analysis method
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2024-10-26
Implemented on:	2025-5-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	210.0
Delivery:	via email in 1~3 business day

本文件规定了电感耦合等离子体发射光谱法测定硬质合金中钽、铌含量的方法。
本文件适用于钨基混合粉和硬质合金中钽、铌含量的测定。钽（Ta)含量测定范围：0.050%～15.00%；铌（Nb)含量(质量分数)测定范围：0.050%～5.00%。