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High-speed photographic study of vaporclouds from wet droplets and the subsequent solid particles in an inductively coupled plasma

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Abstract

Movies of an inductively coupled plasma (ICP) while nebulizing a concentrated sample of yttrium were recorded using a high-speed camera with short exposure time (10 μs) and fast framing rate (5000 frames per s). Clouds from large droplets can be seen in several successive frames as they travel downstream in the axial channel of the ICP. These droplet clouds are superimposed on the usual spatial structure of red YO, neutral Y atom and blue Y+ emission. As a particular large droplet moves downstream, its red emission cloud evolves into a faint white streak with a surrounding cloud of blue Y+ emission. The streak is attributed to a solid residue from the droplet. The velocity of the droplet and subsequent particle is measured to be 28 m s−1. The general characteristics of the droplet and particle clouds agree well with previous photographic measurements and those by other methods such as laser induced-fluorescence or scattering.

Graphical abstract: High-speed photographic study of vaporclouds from wet droplets and the subsequent solid particles in an inductively coupled plasma

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Supplementary files

Article information


Submitted
04 May 2020
Accepted
17 Jun 2020
First published
17 Jun 2020

This article is Open Access

J. Anal. At. Spectrom., 2020, Advance Article
Article type
Paper

High-speed photographic study of vaporclouds from wet droplets and the subsequent solid particles in an inductively coupled plasma

C. H. Ebert, N. J. Saetveit, S. J. Bajic, D. S. Zamzow, D. P. Baldwin and R. S. Houk, J. Anal. At. Spectrom., 2020, Advance Article , DOI: 10.1039/D0JA00210K

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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the Centre National de la Recherche Scientifique (CNRS) and the RSC.
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    [Original citation] - Published by the PCCP Owner Societies.
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    [Original citation] - Published by The Royal Society of Chemistry (RSC) on behalf of the European Society for Photobiology, the European Photochemistry Association, and RSC.
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    [Original citation] - Published by The Royal Society of Chemistry.

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