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| 大体积进样与分流/不分流进样气相色谱/质谱测定二噁英的对比 |
| Comparision ofLarge Volume Injection and Split/splitlessInjection for D ioxin Determ ination by Gas Chromatography/massSpectrometry |
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| DOI： |
| 中文关键词: 气相色谱 / 质谱 大体积进样 分流 / 不分流进样 二噁英 |
| 英文关键词: Gas chromatography/mass spectrometry Large volume injection Split/splitless injection Dioxin |
| 基金项目: |
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| 中文摘要: |
| 选取传统分流/不分流进样技术与大体积进样技术, 结合气相色谱/质谱测定条件, 对二者的测定效果和不同进样量的色谱图进行了分析对比。 结果表明, 使用大体积的进样测定二噁英, 在不影响色谱分离度的同时可以大幅度提高仪器分析的灵敏度, 可以代替传统分流/不分流进样。 |
| 英文摘要: |
| Theperformancesand chromatogramsofdifferentinjection volume werecompared by gaschromatography/massspectrometry coupled with large volumeinjection ortraditionalsplit/splitlessinjection atselected parametersfordioxin determination. Theresultsshowedthattheseparation performance wasnotaffected and analyticalsensitivity wasgreatly increased by large volumeinjection. Thelarge volumeinjection technique could takeplaceoftraditionalsplit/splitlessinjection. |
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