火焰原子吸收法测定油画颜料中铅含量

Content of Lead in Oil Paints by FAAS

中文关键词:  油画颜料  铅  火焰原子吸收法

英文关键词:oil color  lead  flame-AAS  

中文摘要:

      采用干灰化法、湿氧化A法和B法分别对油画颜料进行消解后用原子吸收火焰法测定其中的铅含量.通过分析比较3种消解方法测定的结果,发现采用湿氧化法优于干灰化法,湿氧化A法优于B法.采用湿氧化A法对油画颜料进行加标处理后,加标回收率在90%-105%范围,表明采用该方法测定油画颜料中的铅含量是可信的.

英文摘要:

      Three pretreatments,dry ashing,wet oxidation methods,A and B,were used to digest oil paint,and then the content of lead in oil paints was determined by flame atomic absorption spectrometry.The results show that the wet oxidation method A is superior wet oxidation method B and dry ashing.A recovery ratio of higher than 90% of the wet oxidation method A,tested with a spiked standard can satisfy the requirement of testing the content of lead in oil paint.