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作 者:余桢婷 康金岭[1] 刘瑱[1] 覃耀 黄啟华 谢伟强[1] 唐芳丽
出 处:《科技创新与应用》2025年第9期76-79,共4页Technology Innovation and Application
摘 要:为研究影响烟用纸张溶剂残留检测的因素,利用烟草行业标准YC/T207—2014《烟用纸张中溶剂残留的测定顶空-气相色谱/质谱联用法》中的方法,分析平行样差异、留存时间、制样位置、裁样数量和仪器定量方法 5个因素对烟用纸张溶剂残留26种挥发性有机物含量影响。结果表明,(1)通过对比5个平行样的溶剂残留物质含量可知,平行样差异小,其含量相对平均偏差均未超过10%。(2)留存时间越长会导致溶剂残留挥发情况越严重,在第5天和10天,变化最为明显。其中,甲苯、乙酸正丙酯最高损失量可以超过40%。(3)不同制样位置的裁剪纸张印刷图案不同,油墨的不均匀会导致不同位置样品的含量相对平均偏差超过10%。(4)标准曲线回归系数在0.995以上对物质定量影响较小。曲线必须为线性且强制过原点,尤其是含量较低的物质,对数据影响较大甚至造成误判。(5)裁样数量的不同并不会明显影响溶剂残留的含量,当裁剪纸张为2张时,溶剂残留物质浓度最高。In order to study the factors affecting the detection of solvent residue in tobacco paper,the method in the tobacco industry standard YC/T207-2014 "Determination of solvent residuals on papers for cigarette Headspace-gas chromatography/mass spectrometry" was used to analyze the effects of five factors:difference in parallel samples,retention time,sample preparation location,sample number,and instrument quantitative method on the content of 26 volatile organic compounds in solvent residue in tobacco paper.The results show that:(1) By comparing the content of solvent residual substances in five replicates,it is known that the differences in the replicates are small,and the relative average deviation of the content does not exceed 10%.(2) The longer the retention time,the more serious the solvent residue and volatilization,and the most obvious change is on the 5th and 10th days.Among them,the maximum loss of toluene and n-propyl acetate can exceed 40%.(3) The printed patterns of the cut paper at different sample preparation positions are different,and the unevenness of the ink will cause the relative average deviation of the content of samples at different positions to exceed 10%.(4) The regression coefficient of the standard curve above 0.995 has little impact on the quantification of substances.The curve must be linear and forced to pass through the origin,especially for substances with low content,which will have a great impact on the data and even cause misjudgment.(5) The difference in the number of samples will not significantly affect the content of solvent residue.When two sheets of paper are cut,the concentration of solvent residue is the highest.
关 键 词:烟用纸张 挥发性有机化合物 顶空-气相色谱/质谱联用法 溶剂残留检测 定量方法
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