氢化物发生MP-AES法测定印刷品中的可迁移元素  

Determination of Migration Elements in Print with MP-AES

作　　者：兰岚 陈丽丽 刘师 张娇霞[2] 

机构地区：[1]陕西省出版印刷公司,陕西西安710065 [2]江苏科技大学材料科学与工程学院,江苏镇江212003

出　　处：《广州化工》2014年第19期93-96,132,共5页GuangZhou Chemical Industry

摘　　要：研究应用氢化物发生-微波等离子体原子发射光谱法同时测定印刷品中的砷（As）、钡（Ba）、汞（Hg）、镉（Cd）、铬（Cr）、铅（Pb）、锑（Sb）、硒（Se）8种有害可迁移元素。文中对比了多模式进样氢化物发生法与单通道进样模式的方法检出限,并进行了重复性、加标回收率实验。方法检出限对比实验结果表明,多模式进样氢化物发生法的方法检出限范围为0.000 7~0.019 8μg/mL,优于仪器检出限范围0.000 2~0.230 8μg/mL;重复性实验结果表明,各元素检测相对标准偏差小于1.8%;加标回收率范围为92.0%~120.0%。综上所述,该方法具有较好的精密度和准确性,适合印刷品中有害可迁移元素的分析。The application of Hydride - microwave Plasma Atomic Emission Spectrometry （ MP - AES） to determine eight harmful migration elements, such as arsenic （As）, barium （ Ba）, mercury （ Hg）, cadmium （Cd）, chromium （Cr）, lead （Pb）, antimony （Sb）, selenium （Se） in print at the same time was studied. The contrast experiment of method detection limit between the multimodal injection hydride method and the single channel sampling method, and repeatability experiments, the standard addition recovery rate experiments were carried out. The results of method detection limit experiments showed that the detection limit of multi - mode sample introduction system method was 0. 000 7 - 0. 019 8 p,g/mL, which was better than the instrument detection limit which ranged from 0. 000 2 -0. 230 8 μg/mL. The results of repeatability experiments showed that the relative standard deviation was less than 1.8% of each element. The standard addition recovery rate of each element was in the range of 92. 0% to 120. 0%. The method was suitable for determination of the harmful migration elements in the print with its great simplicity and accuracy.

关 键 词：微波等离子体原子发射光谱仪 氢化物发生法 可迁移元素 印刷产品 

分 类 号：O657.31[理学—分析化学]