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Updated: Jul 26, 2025

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使用单颗粒ICP-TOFMS对Pt纳米粒子进行表征的实验室间比较结果

Lyndsey Hendriks1, Robert Brünjes2, Sara Taskula2

  • 1TOFWERK AG, Thun, Switzerland. lyndsey.hendriks@tofwerk.com.

Nanoscale
|June 22, 2023
PubMed
概括

这项研究验证了纳米粒子单颗粒ICP-TOFMS分析的标准操作程序. 颗粒质量测量显示实验室之间有很好的一致性,而颗粒数度结果更有变化.

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Inductively coupled plasma–mass spectrometry (ICP–MS) is a highly selective and sensitive technique for accurate elemental analysis. Though the analysis of ICP–MS mass spectra is comparatively straightforward, it is affected by spectroscopic and non-spectroscopic interferences. Spectroscopic interferences arise when the plasma contains ionic species with an m/z value the same as the analyte ion. Spectroscopic interference can be categorized as isobaric, polyatomic ions, and...
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In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then...
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Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
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