顶空-气相色谱-质谱联用法同时测定紫外光固化胶印油墨中27种溶剂残留

引用本文: 郭蕾蕾, 李莹, 李海山, 连增斌. 顶空-气相色谱-质谱联用法同时测定紫外光固化胶印油墨中27种溶剂残留[J]. 色谱, 2018, 36(12): 1342-1348. doi: 10.3724/SP.J.1123.2018.09010 shu

Citation: GUO Leilei, LI Ying, LI Haishan, LIAN Zengbin. Simultaneous determination of 27 solvent residuals in ultraviolet curable offset inks by headspace gas chromatography-mass spectrometry[J]. Chinese Journal of Chromatography, 2018, 36(12): 1342-1348. doi: 10.3724/SP.J.1123.2018.09010 shu

顶空-气相色谱-质谱联用法同时测定紫外光固化胶印油墨中27种溶剂残留

1.
昆明理工大学, 云南昆明 650504;
2.
昆明瑞丰印刷有限公司, 云南昆明 650217
基金项目:
昆明理工大学科技开发项目（KKK0201701083）.

摘要: 建立了同时测定紫外光固化（UV）胶印油墨中27种溶剂残留（挥发性有机化合物，VOCs）的顶空-气相色谱-质谱联用（HS-GC-MS）法。将UV胶印油墨样品模拟印刷制成一定面积、厚度的试样，在紫外灯下烘烤1 min，经80℃、45 min静态顶空后，通过VOC专用毛细管柱分离和质谱检测，外标法定量。27种VOCs均呈现良好的线性关系，相关系数（R²）均≥0.9950；方法的检出限（LODs，S/N=3）为0.001~0.310 mg/m²，定量限（LOQs，S/N=10）为0.003~0.920 mg/m²；样品的平均加标回收率为80%~108%，相对标准偏差（RSD）<6%（n=6）。该方法制样便捷，灵敏度高，精密度好，准确度高，将其应用于实际UV胶印油墨样品的检测，取得了良好效果。

关键词:

English

Simultaneous determination of 27 solvent residuals in ultraviolet curable offset inks by headspace gas chromatography-mass spectrometry

1.
Kunming University of Science and Technology, Kunming 650504, China;
2.
Kunming Richfun Printing Co., Ltd., Kunming 650217, China
Received Date: 05 September 2018
Fund Project:
Science and Technology Developing Project of Kunming University of Science and Technology (No. KKK0201701083).

Abstract: A headspace gas chromatography-mass spectrometry (HS-GC-MS) method was developed for the determination of 27 solvent residuals (volatile organic compounds, VOCs) in ultraviolet (UV) curable offset inks. Ink samples of a given area and thickness were prepared using an ink-scraping instrument and baked under a UV lamp for 1 min. The experimental conditions such as headspace temperature and time, and the GC-MS analytical conditions, were optimized. The ink samples were treated at 80℃ for 45 min, and the evolved products were separated on a special VOC column, identified by MS, and quantified by an external-standard method. The calibration curves for all 27 VOCs showed good linearity with correlation coefficients (R²) no lower than 0.9950. The limits of detection (S/N=3) were in the range of 0.001-0.310 mg/m² and the limits of quantification (S/N=10) were in the range of 0.003-0.920 mg/m². The average recoveries of the 27 VOCs ranged from 80% to 108% at various spiked levels, with relative standard deviations less than 6% (n=6). Thus, this method has a high sensitivity and good precision and accuracy, and it is suitable for the determination of 27 solvent residuals in various UV offset inks.

Key words:

headspace gas chromatography-mass spectrometry (HS-GC-MS)
/ solvent residuals
/ volatile organic compounds (VOCs)
/ analog printing
/ ultraviolet curable offset inks

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

顶空-气相色谱-质谱联用法同时测定紫外光固化胶印油墨中27种溶剂残留

English

Simultaneous determination of 27 solvent residuals in ultraviolet curable offset inks by headspace gas chromatography-mass spectrometry

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顶空-气相色谱-质谱联用法同时测定紫外光固化胶印油墨中27种溶剂残留

English

Simultaneous determination of 27 solvent residuals in ultraviolet curable offset inks by headspace gas chromatography-mass spectrometry

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