多通道稀释分析使用单个围式管
Robbie M Huff1, Willis B Jones1, Bradley T Jones2
1Department of Chemistry and Biochemistry, University of North Florida, Jacksonville, Florida, USA.
Applied spectroscopy
|February 6, 2025
概括
多通道稀释分析 (MCDA) 提供了一种通过自动稀释标准来校准分析仪器的新方法. 该方法适用于ICP-OES和ICP-MS,确保在各种矩阵中获得准确的结果.
科学领域:
- 分析化学 分析化学
- 频谱学是一种光谱学.
背景情况:
- 多通道稀释分析 (MCDA) 是一种新的校准技术.
- 传统的MCDA需要特定的配置,限制了其应用.
研究的目的:
- 为了适应MCDA,用于具有较少道的仪器.
- 为验证ICP-OES和ICP-MS修改的MCDA方法.
主要方法:
- 使用单一的环静电线通过管道分流器驱动溶液.
- 将修改后的MCDA应用于感应合等离子体光学发射光谱 (ICP-OES) 和感应合等离子体质谱 (ICP-MS).
- 使用经过认证的参考材料和尖矩阵验证了该方法.
主要成果:
- 分析剂的回收率在83%至117%之间,相对标准偏差约为1%.
- 对于具有挑战性的样品 (例如,高乙醇,) 证明有效的矩阵匹配.
- 展示了ICP-MS的校准统计数据的改进.
结论:
- 适应的MCDA方法是ICP-OES和ICP-MS的可行和准确的校准技术.
- 这种调整克服了硬件限制,扩大了MCDA的适用性.
- MCDA提供可靠的矩阵匹配校准,提高分析精度.
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