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

Journal Article · · Journal of Analytical Atomic Spectrometry
DOI: https://doi.org/10.1039/D0JA00210K · OSTI ID:1634871
 [1]; ORCiD logo [2]; ORCiD logo [3];  [3];  [4]; ORCiD logo [3]
  1. Ames Lab., Ames, IA (United States); Northern Arizona Univ., Flagstaff, AZ (United States)
  2. Ames Lab., Ames, IA (United States); Elemental Scientific, Inc., Omaha, NE (United States)
  3. Ames Lab., Ames, IA (United States)
  4. Ames Lab., Ames, IA (United States); Nevada National Security Site, Santa Barbara, CA (United States)

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.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1634871
Alternate ID(s):
OSTI ID: 1633767
Report Number(s):
IS-J-10,244; JASPE2
Journal Information:
Journal of Analytical Atomic Spectrometry, Vol. 35; ISSN 0267-9477
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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Figures / Tables (1)