On the performance of an on-line time-of-flight mass spectrometer for aerosols

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On the performance of an on-line time-of-flight mass spectrometer for aerosols

Journal Article (1997)

Author(s)

M Weiss (External organisation)

Peter J.T. Verheijen (TU Delft - OLD BT/Cell Systems Engineering)

JCM Marijnissen (TU Delft - OLD BT/Botanical Garden)

B Scarlett (TU Delft - Old - sect Particle Technology (DCT/PART))

Research Group

OLD BT/Cell Systems Engineering

DOI related publication

https://doi.org/10.1016/S0021-8502(96)00067-5

To reference this document use:

https://resolver.tudelft.nl/uuid:677b96c7-c00f-443e-88a5-c19c674d70ae

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Publication Year

1997

Language

English

Research Group

OLD BT/Cell Systems Engineering

Issue number

1

Volume number

28

Pages (from-to)

159-171

Abstract

An instrument has been developed to analyze the size and chemical composition of individual, air-borne particles. The particles are introduced into the vacuum chamber of a time-off-light mass spectrometer where they are detected and sized using an aerodynamic principle. After sizing, the particles are vaporized by an excimer laser and the resulting ions are analyzed. Experiments have shown that polystyrene particles 1 μm in diameter are not fully vaporized by the laser pulse. The instrument has been characterized and some examples of measurements on ambient and artificial aerosols are presented.

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