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常用的RoHS检测方法 发布时间: 2011-10-30 11:01

 

常用的RoHS检测方法
The commonly used RoHS detection method
  1.阴离子:英蓝技术离子色谱法   采用氧弹燃烧、英蓝技术前处理之后,直接进入离子色谱进行分析   2.阳离子及其价态:   
1: the British blue anions by ion chromatography with oxygen bomb combustion, the British blue technology after pretreatment, directly into the ion chromatography for analysis of 2 cation and its valence:
采用英蓝阳离子色谱法、离子选择电极法、原子吸收法均可检测   
The British blue cation chromatography, ion selective electrode method, atomic absorption method which can detect
确定阳离子元素价态可采用伏安极谱法进行分析   Rohs的读音。   /rous/   
Determining cation valence can use volt-ampere polarographic method for analysis of Rohs pronunciation. The / Rous /
检测方法可以参考IEC62321:2008电子电气产品中六种限用物质浓度的测定程序   
Detection method can refer to IEC62321: 2008 electrical and electronic products in six regulated substances concentration determination procedure
A.首先用XRF进行无损筛选,快速高效,非破坏性,成本低。但干扰因素多,误差较大。   
A first XRF non-destructive screening, fast efficient, non destructive, low cost. But many interference factors, error. 
B.微波消解、酸消解后利用AAS或ICP-AES测定Pb, Cd, Hg浓度。   
B. Microwave acid digestion, after using AAS or ICP-AES determination of Pb, Cd, Hg concentration. 
C. 索氏提取后用GC-MS测定多溴联苯、多溴联苯醚等的浓度。   
C Soxhlet extraction with GC-MS determination of polybrominated biphenyl polybrominated diphenyl ethers, the concentration of such. 
D. 利用点测试法或沸水萃取法测定无色表层Cr6+的浓度,或是用紫外可见光分光光度计按EPA3060A测试.。
D. The test method or boiling water extraction method for the determination of colorless surface layer of Cr6 + concentration, or by ultraviolet visible spectrophotometer by EPA3060A test..