Citation: ZHANG Yun, DU Zhenxia, YU Wenlian. Determination of seven additives in polymer products by ultra performance supercritical fluid chromatography[J]. Chinese Journal of Chromatography, ;2014, 32(1): 52-56. doi: 10.3724/SP.J.1123.2013.08036 shu

Determination of seven additives in polymer products by ultra performance supercritical fluid chromatography

1.
1. Analysis and Testing Center of Beijing University of Chemical Technology, Beijing 100029, China;

Corresponding author: DU Zhenxia,
Received Date: 23 August 2013
Available Online: 4 November 2013
Fund Project: 国家级质检公益性行业科研专项项目(201110020). (201110020)

A method for rapid determination of seven commonly used additives in polymer products by ultra performance supercritical fluid chromatography (UPSFC)-photodiode array detector (PDA) was developed. In this experiment, the detection wavelength was set at 220 nm. After the important parameters of UPSFC, such as the diluting solvent, mobile phase additive, column temperature, automatic back pressure regulator (ABPR) and flow rate were investigated, the optimized conditions were acquired as follows: n-hexane/isopropanol (1/1, v/v) was chosen as the diluting solvent, the mixture of methanol/acetonitrile (1/1, v/v) as the mobile phase additive, 2 mL/min as the flow rate, 50 ℃ as the column temperature, 12.41-13.79 MPa as the ABPR. Under these conditions, seven additives were separated in 5 min, and full baseline separation was achieved. The real sample was pretreated by microwave-assisted extraction (MAE) and analyzed by UPSFC-PDA. The seven additives can be detected with the recoveries of 69.9%-118.9%, and the relative standard deviations (RSDs, n=9) were less than 10%. This method is simple, fast with good selectivity and suitable for the analysis of the additives in polymer products.
- ultra performance supercritical fluid chromatography (UPSFC),
- photodiode array detector (PDA),
- additives,
- polymer products
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Determination of seven additives in polymer products by ultra performance supercritical fluid chromatography

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com