A high-efficiency annular diffusion scrubber for the collection of water-soluble trace atmospheric gases

In Hyoung Chang, Sung Bong Chun, Dong Soo Lee

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The design and construction details of an annular diffusion scrubber to be used as a quantitative gas sampler are described. A large-diameter inner tube (12 mm o.d.) wrapped with liquid channel interior of thin membrane (70 μm thickness) provided high collection efficiency. With SO2 as the test gas, the performance data for a high-efficiency annular diffusion scrubber, coupled to an ion chromatograph, are presented. Quantitative collection and excellent reproducibility are observed at air sampling rates up to 2 L/min. The estimated detection limit is 4 pptv for a 20-L air sampling volume.

Original languageEnglish
Pages (from-to)535-539
Number of pages5
JournalAnalytical and Bioanalytical Chemistry
Volume374
Issue number3
DOIs
Publication statusPublished - 2002 Oct 16

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Scrubbers
Gases
Air
Sampling
Water
Limit of Detection
Ions
Membranes
Liquids

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry

Cite this

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A high-efficiency annular diffusion scrubber for the collection of water-soluble trace atmospheric gases. / Chang, In Hyoung; Chun, Sung Bong; Lee, Dong Soo.

In: Analytical and Bioanalytical Chemistry, Vol. 374, No. 3, 16.10.2002, p. 535-539.

Research output: Contribution to journalArticle

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