使用电荷合装置 (CCD) 和强化电荷合装置 (ICCD) 基于LIBS系统的矿石的元素分析
The Review of scientific instruments
|September 10, 2025
概括
激光诱导分解光谱 (LIBS) 有效地分析了矿石的成分. 电荷合器件 (CCD) LIBS为强化电荷合器件 (ICCD) 系统提供了一个具有成本效益的,可在现场部署的替代方案,具有可比结果.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
- 地质化学 地质化学
背景情况:
- 对矿石精确的成分分析对于资源评估和工业加工至关重要.
- 在激光诱导分解光谱 (LIBS) 中获得时间解析的数据对于有效的光谱分析至关重要.
- 光谱仪设置,包括延迟时间和门宽度,控制时间解析测量.
研究的目的:
- 评估基于电荷合装置 (CCD) 和强化电荷合装置 (ICCD) 的LIBS系统对矿石分析的有效性.
- 进行矿石的定性和定量组成分析.
- 为了比较LIBS技术与X射线光 (XRF) 的性能.
主要方法:
- 使用CCD和ICCD光谱仪从矿采集光谱数据.
- 用于血诊断的LIBS光谱估计的血参数.
- 使用无校准的LIBS进行主要和微量元素的定量分析.
- 对XRF进行了比较性能分析.
主要成果:
- 通过LIBS.成功地进行了矿石的定量和定性组成分析.
- 确定了主要和微量元素,包括Mo,Si,Al,Fe,Ca,K,W和Na.
- 在基于CCD的LIBS,基于ICCD的LIBS和XRF结果之间表现出良好的一致性.
- 表明基于CCD的LIBS在可接受的误差范围内产生了与基于ICCD的LIBS可比的结果.
结论:
- LIBS是一种可行的技术,用于对矿石的综合成分分析.
- 基于CCD的LIBS提供了一个具有成本效益和现场部署的分析解决方案,其性能与基于ICCD的LIBS相美.
- 基于CCD的LIBS的操作简单性和成本效益使其在现场应用中具有优势.
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