方案摘要
方案下载应用领域 | 石油/化工 |
检测样本 | 汽油 |
检测项目 | 重金属 |
参考标准 | - |
Trace metals in gasoline are a major source of environmental pollution. They can also adversely affect the performance of automotive engines. Silicon (Si) contamination can be especially problematic as deposits damage components such as catalytic convertors and oxygen sensors leading to costly repairs. ICP-OES is often used for the determination of trace elements in petroleum products due to its reliability, robustness and sensitivity. A successful analysis needs to take account of sample characteristics, such as the high volatility of gasoline. Continuous loading of the plasma with gasoline can affect the stability of the signal and lead to carbon build up on the torch that may cause the plasma to extinguish. 2 In this study, the Agilent 5100 Synchronous Vertical Dual View (SVDV) ICP-OES was used for the analysis of 21 elements in gasoline, including Si. Oxygen was added to the auxiliary argon gas flow to reduce carbon build up on the torch, maintain a stable plasma and reduce carbon emission from the organic solvent. A programmable temperature spray chamber, set to -10 °C, was used to reduce vapor loading on the plasma, ensuring a more stable plasma.
使用配备氦气节省模块以进行载气 切换的 Agilent 8850 气相色谱系统 分析香草提取物的方法转换
应用 QuEChERS 方法结合 Agilent 7000 系列三重四极杆气质联用仪测定甜菜中 的多农药残留
使用 Agilent BioTek Synergy Neo2 Hybrid 多功能微孔板检测仪测定脂质纳米颗粒表观 pKa
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