Standard No.:	GB/T 20255.1-2006
English Name:	Methods for chemical analysis of hardmetals?Determination of calcium,potassium,magnesium and sodium contents?Flame atomic absorption spectrometric method
Chinese Name:	硬质合金化学分析方法 钙、钾、镁和钠量的测定 火焰原子吸收光谱法
Chinese Classification:	H16    Powder metallurgy analysis method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.30 77.040.30    Chemical analysis of metals 77.040.30
Source Content Issued by:	AQSIQ; SAC
Issued on:	2006-05-08
Implemented on:	2006-10-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	60.0
Delivery:	via email in 1~3 business day

本部分规定了火焰原子吸收光谱法对铬，铌，钽，钛，钨，钒的炭化物，上述炭化物与粘结金属的混合物以及硬质合金中钙，钾镁和钠量的测定方法。
本部分适用于铬，铌，钽，钛，钨，钒的炭化物，上述炭化物与粘机结金属的混合物以及硬质合金中钙，钾，镁和钠量的测定。测定范围:0.001%～0.02%。