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Flow/sequential injection determination of gaseous ammonia with a glass diffusion denuder.

Authors
  • Luo, Y
  • Al-Othman, R
  • Christian, G D
  • Ruzicka, J
Type
Published Article
Journal
Talanta
Publisher
Elsevier
Publication Date
Oct 01, 1995
Volume
42
Issue
10
Pages
1545–1551
Identifiers
PMID: 18966387
Source
Medline
License
Unknown

Abstract

A new combination of a flow/sequential injection method for the analysis of ammonia has been developed. Gaseous ammonia is selectively absorbed in a phosphoric acid coated glass tube and determined with Berthelot reagents by flow injection. The combination of the gas diffusion denuder sampler with flow injection makes this method very sensitive and selective. The limit of detection of 0.15 mug NH(3).

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