Bread-derived carbon foam as an adsorbent for solid-phase microextraction of polybrominated diphenyl ethers†,Analytical Methods

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Bread-derived carbon foam as an adsorbent for solid-phase microextraction of polybrominated diphenyl ethers†
Analytical Methods ( IF 2.7 ) Pub Date : 2017-11-13 00:00:00 , DOI: 10.1039/c7ay02332d
Hao Yu _{1,

2,

3,

4,

5} , Yanfang Zhao _{4,

5,

6,

7} , Lingxiao Yang _{1,

2,

3,

4} , Xiangfeng Chen _{4,

5,

6,

7}

Affiliation

In this work, bread-derived carbon foam (CF) was synthesized and used as a sorbent for solid-phase microextraction (SPME) of pollutants from environmental water samples. CF fabricated with flour and yeast via fermentation and carbonization is stiff, light weight, high in specific area, and porous. SPME coupled with gas chromatography-negative chemical ionization mass spectrometry was developed for determining polybrominated diphenyl ethers from environmental samples. Under optimal conditions, the developed method showed high sensitivity with limits of detection of 0.25–2 ng L⁻¹ and S/N = 3 : 1, good linearity (R² > 0.98) in the concentration range of 1–500 ng L⁻¹, and satisfactory extraction repeatability (RSD < 12%, n = 6) and recoveries (71.8–114.4%). Furthermore, tap, pond, snow, and river water samples were used to test the applicability of the developed method. The satisfactory analysis performance demonstrated that the bread-derived CF could be used as a green, safe, and efficient sorbent for SPME of pollutants from environmental water samples.

中文翻译：

面包来源的碳泡沫作为多溴联苯醚的固相微萃取的吸附剂†

在这项工作中，合成了面包衍生的碳泡沫（CF），并用作从环境水样品中进行固相微萃取（SPME）污染物的吸附剂。用面粉和酵母通过发酵和碳化制成的CF坚硬，重量轻，比表面积高且多孔。开发了SPME结合气相色谱-负化学电离质谱法测定环境样品中的多溴联苯醚。在最佳条件下，所提出的方法具有很高的灵敏度与纳克L检测的0.25-2的范围^-1和S / N = 3：1，良好的线性度（- [R ²中的1-500的浓度范围> 0.98）纳克大号^{- 1}和令人满意的提取重复性（RSD <12％，n = 6）和回收率（71.8-114.4％）。此外，自来水，池塘，雪和河水样品被用来测试该方法的适用性。令人满意的分析性能表明，源自面包的CF可以作为绿色，安全，高效的吸附剂，用于对环境水样品中的污染物进行SPME吸附。

更新日期：2017-11-13

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