A continuous sampling air-ICP for metals emission monitoring

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Description

An air-inductively coupled plasma (air-ICP) system has been developed for continuous sampling and monitoring of metals as a continuous emission monitor (CEM). The plasma is contained in a metal enclosure to allow reduced-pressure operation. The enclosure and plasma are operated at a pressure slightly less than atmospheric using a Roots blower, so that sample gas is continuously drawn into the plasma. A Teflon sampling chamber, equipped with a sampling pump, is connected to the stack that is to be monitored to isokinetically sample gas from the exhaust line and introduce the sample into the air-ICP. Optical emission from metals in ... continued below

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Creation Information

Baldwin, D.P.; Zamzow, D.S.; Eckels, D.E. & Miller, G.P. September 19, 1999.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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  • Ames Laboratory
    Publisher Info: Ames Lab., IA (United States)
    Place of Publication: Iowa

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Description

An air-inductively coupled plasma (air-ICP) system has been developed for continuous sampling and monitoring of metals as a continuous emission monitor (CEM). The plasma is contained in a metal enclosure to allow reduced-pressure operation. The enclosure and plasma are operated at a pressure slightly less than atmospheric using a Roots blower, so that sample gas is continuously drawn into the plasma. A Teflon sampling chamber, equipped with a sampling pump, is connected to the stack that is to be monitored to isokinetically sample gas from the exhaust line and introduce the sample into the air-ICP. Optical emission from metals in the sampled gas stream is detected and monitored using an acousto-optic tunable filter (AOTF)--echelle spectrometer system. A description of the continuous sampling air-ICP system is given, along with some preliminary laboratory data for continuous monitoring of metals.

Physical Description

Medium: P; Size: vp.

Notes

OSTI as DE00754791

Source

  • SPIE's Symposium on Environmental and Industrial Sensing, Boston, MA (US), 09/19/1999--09/22/1999

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  • Report No.: IS-M-890
  • Grant Number: W-7405-ENG-82
  • Office of Scientific & Technical Information Report Number: 754791
  • Archival Resource Key: ark:/67531/metadc711452

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  • September 19, 1999

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • March 24, 2016, 6:22 p.m.

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Baldwin, D.P.; Zamzow, D.S.; Eckels, D.E. & Miller, G.P. A continuous sampling air-ICP for metals emission monitoring, article, September 19, 1999; Iowa. (digital.library.unt.edu/ark:/67531/metadc711452/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.