Determination of volatile sulfur compounds in beverage and coffee samples by purge-and-trap on-line coupling with a gas chromatography-flame photometric detector
文献类型：期刊论文
| 作者 | Liu, JM; Li, N; Wen, MJ; Jiang, GB |
| 刊名 | MICROCHIMICA ACTA
 |
| 出版日期 | 2004 |
| 卷号 | 148期号:2015-01-02页码:43-47 |
| 关键词 | purge-and-trap volatile sulfur compounds beverage and coffee sample GC-FPD |
| 英文摘要 | A sensitive and fast analytical method using purge-and-trap on-line coupling with gas chromatography was developed for the determination of trace volatile sulfur compounds including dimethyl sulfide (DMS), ethyl-methyl sulfide (EMS), and dimethyl disulfide (DMDS) in beverage and coffee samples. The analytes were purged for 12 min from the sample by high purity nitrogen at a flow rate of 35 KPa and preconcentrated in the cooled fused-silica capillary trap at -75degreesC. The NaCl content in the samples was maintained at 10%. The volatile sulfur compounds were separated with an Agilent-6890 gas chromatograph by a suitable temperature program and detected by means of a flame photometric detector (FPD). The detection limits were 80 ng L-1 for DMS, 80 ng L-1 for EMS, and 100 ng L-1 for DMDS, respectively. This method was successfully applied to the determination of volatile sulfur compounds in different beverage and coffee samples. |
| 研究领域[WOS] | Chemistry |
| WOS记录号 | WOS:000224411700005 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/23441]  |
| 专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Liu, JM,Li, N,Wen, MJ,et al. Determination of volatile sulfur compounds in beverage and coffee samples by purge-and-trap on-line coupling with a gas chromatography-flame photometric detector[J]. MICROCHIMICA ACTA,2004,148(2015-01-02):43-47. |
| APA | Liu, JM,Li, N,Wen, MJ,&Jiang, GB.(2004).Determination of volatile sulfur compounds in beverage and coffee samples by purge-and-trap on-line coupling with a gas chromatography-flame photometric detector.MICROCHIMICA ACTA,148(2015-01-02),43-47. |
| MLA | Liu, JM,et al."Determination of volatile sulfur compounds in beverage and coffee samples by purge-and-trap on-line coupling with a gas chromatography-flame photometric detector".MICROCHIMICA ACTA 148.2015-01-02(2004):43-47. |
入库方式： OAI收割
来源：生态环境研究中心
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