固相微萃取法测定甲醛标准试验方法的评价

World Academy of Science, Engineering and Technology, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering Pub Date : 2012-02-29 DOI:10.5281/zenodo.1061026

Y. L. Yung, K. Lo

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引用次数: 0

摘要

本研究对固相微萃取法(SPME)进行了优化，以提高胶合板中甲醛的检测灵敏度和准确性。将新技术与现有的干燥器中收集的甲醛与乙酰丙酮试剂(DC-AA)反应的方法进行了比较。在SPME中，甲醛首先与O-(2,3,4,5,6五氟苯基)-羟胺盐酸盐(PFBHA)衍生，然后采用气相色谱-质谱联用(GC-MS)进行分析。不同树种的SPME数据得到了令人满意的结果，相对标准偏差(rsd)在3.1-10.3%之间。与DC值也有很好的相关性，相关系数(RSQ)为0.959。SPME法在木材工业中对甲醛进行定量分析是一种极具潜力的替代方法

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Evaluation of Solid Phase Micro-extraction with Standard Testing Method for Formaldehyde Determination

In this study, solid phase micro-extraction (SPME) was optimized to improve the sensitivity and accuracy in formaldehyde determination for plywood panels. Further work has been carried out to compare the newly developed technique with existing method which reacts formaldehyde collected in desiccators with acetyl acetone reagent (DC-AA). In SPME, formaldehyde was first derivatized with O-(2,3,4,5,6 pentafluorobenzyl)-hydroxylamine hydrochloride (PFBHA) and analysis was then performed by gas chromatography in combination with mass spectrometry (GC-MS). SPME data subjected to various wood species gave satisfactory results, with relative standard deviations (RSDs) obtained in the range of 3.1-10.3%. It was also well correlated with DC values, giving a correlation coefficient, RSQ, of 0.959. The quantitative analysis of formaldehyde by SPME was an alternative in wood industry with great potential

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来源期刊

World Academy of Science, Engineering and Technology, International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering

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