文献类型：期刊文献

中文题名：微波消解-原子吸收光谱法测定人造板饰面材料中铅镉铬

英文题名：Determination of Pb,Cd and Cr in Surface Decorating Materials of Wood-Based Panels by Microwave Digestion-AAS

作者：龙玲[1] 黄安民[1] 孟迪[1] 卢志刚[2]

第一作者：龙玲

通信作者：Long, L[1]|[a0005491f716b9c438f5a]龙玲;

机构：[1]中国林业科学研究院木材工业研究所,国家林业局木材科学与技术重点试验室,北京100091;[2]江苏出入境检验检疫局,江苏南京210001

年份：2012

卷号：32

期号：9

起止页码：2572-2575

中文期刊名：光谱学与光谱分析

外文期刊名：Spectroscopy and Spectral Analysis

收录：CSTPCD;;EI(收录号：20124115554662);Scopus(收录号：2-s2.0-84867154017);WOS:【SCI-EXPANDED(收录号:WOS:000308855500058)】；北大核心:【北大核心2011】；CSCD:【CSCD2011_2012】；PubMed;

基金：质检公益性行业科研专项(200910218);北京市自然科学基金项目(6092021)资助

语种：中文

中文关键词：微波消解;原子吸收光谱法;人造板饰面材料;铅、镉、铬

外文关键词：Microwave digestion； AAS； surface decorated materials of wood-based panels； Lead,Cadmium,Chromium；

分类号：O657.3;TS67

摘要：用微波消解作为样品前处理,选择硝酸和过氧化氢为消解试剂,用火焰原子吸收法和石墨炉原子吸收法,可测定三聚氰胺浸渍胶膜纸、聚氯乙烯(PVC)薄膜、漆膜等人造板饰面材料中的铅、镉、铬元素含量。火焰原子吸收法的铅、镉、铬元素检出限分别为0.12,0.020 9和0.146μg.mL-1;石墨炉原子吸收法的镉元素检出限为0.157μg.L-1。铅元素相对标准偏差为0.8%～3.0%,加标回收率为94%～109.2%;镉元素相对标准偏差为0.8%～2.1%,加标回收率为94%～106.4%;铬元素相对标准偏差为1.8%～4.9%,加标回收率为98.8%～107.7%。方法准确可靠,适用于人造板饰面材料中重金属的分析,可为制定相关检测方法标准提供依据。
With microwave-digestion as a sample decomposition technique and HNO3 and H2O2 as digestion reagent,the contents of Pb,Cd and Cr in surface decorating materials of wood-based panels were determined by atomic absorption spectrometry.The detection limit of Pb,Cd and Cr of FAAS is 0.12 μg·mL-1,0.029 μg·L-1 and 0.146 μg·L-1;respectively,the cadmium detection limit of GFAAS is 0.157 μg·L-1.The precision of lead was between 0.8% and 3.0% and the recoveries ranged from 94% to 109.2%.The precision of cadmium was between 0.8% and 2.1%,and the recoveries ranged from 94.6% to 106.4%.The precision of chromium was between 1.8% and 4.9%,and the recoveries ranged from 98.8% to 107.7%.The method is accurate and reliable,and suitable and applicable to determining heavy metal of surface decorating materials of wood-based panels.The result is expected to provide scientific basis for establishing a corresponding Chinese national standard.