PN Z04009-02-1991
Air purity protection Tests for nitrogen compounds Determination of ammonia in the atmosphere (imision) by photometric, indophenol method

Standard No.
PN Z04009-02-1991
Release Date
1991
Published By
PL-PKN
Latest
PN Z04009-02-1991

PN Z04009-02-1991 history

  • 1991 PN Z04009-02-1991 Air purity protection Tests for nitrogen compounds Determination of ammonia in the atmosphere (imision) by photometric, indophenol method

PN Z04009-02-1991 -All Parts

PN Z04009-03-1990 Air purity protection Tests for nitrogen compounds Determination of ammonia in work places by spectrophotometry in visible spectra] region, indopheno] method PN Z04009-04-1993 Air purity protection. Tests for content of nitrogen and its compounds. Determination of nitrates in dust in ambient air (imission) by spectrophotometric method with sodium salicilate


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