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The Association of German Engineers (VDI) with almost 150,000 members, of whom more than a third are students and engineers younger than 33 years of age, is one of the biggest technical- scientific associations in Europe. VDI has extended its activities successfully both nationally and internationally over the years and it has been making great efforts to spread knowledge in the areas related to technologies. As a financially independent, politically unclassified and non-profit organization, it is respected by engineers as well as by professionals and the general public.
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(MESSUNG GASFOERMIGER IMMISSIONEN; MESSEN DER SCHWEFELWASSER- STOFF-KONZENTRATRION, MOLYBDAENBLAU-IMPINGERVERFAHREN.)
WITHDRAWN published on 1.7.1974
Selected format:
Measurement of gaseous immissions; measurement of carbon monoxide concentration; infrared absorption method (URAS 1 and 2).
(Messung gasförmiger Immissionen; Messung der Kohlenmonoxid-Konzentration; Ultrarot-Absorptionsverfahren (URAS 1 und 2).)
WITHDRAWN published on 1.8.1970
Selected format:
Measurement of gaseous immissions; measurement of the carbon monoxide concentration; infrared absorption method (UNOR 2).
(Messung gasförmiger Immissionen; Messung der Kohlenmonoxid-Konzentration; Ultrarot-Absorptionsverfahren (UNOR 2).)
WITHDRAWN published on 1.10.1970
Selected format:
Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; phenoldisulfonic acid method.
(Messung gasförmiger Emissionen; Messen der Summe von Stickstoffmonoxid und Stickstoffdioxid; Phenoldisulfonsäureverfahren.)
WITHDRAWN published on 1.12.1973
Selected format:
Gaseous emission measurement; analytical determination of the sum of nitrogen monoxide and nitrogen dioxide; dimethylphenol method.
(Messen gasförmiger Emissionen; Analytische Bestimmung der Summe von Stickstoffmonoxid und Stickstoffdioxid; Dimethylphenolverfahren.)
WITHDRAWN published on 1.11.1990
Selected format:
Gaseous emission measurement; determination of the total sum of nitrogen monoxide and nitrogen dioxide; acidimetric titration method.
(Messung gasförmiger Emissionen; Messen der Summe von Stickstoffmonoxid und Stickstoffdioxid; Titrationsverfahren.)
WITHDRAWN published on 1.12.1973
Selected format:
Gaseous emission measurement; measurement of nitrogen monoxide; infrared absorption units URAS, UNOR, BECKMAN model 315.
(Messung gasförmiger Emissionen; Messen von Stickstoffmonoxid; Infrarotabsorptions-Geräte URAS, UNOR, BECKMAN Modell 315.)
WITHDRAWN published on 1.5.1975
Selected format:
Gaseous emission measurement; measurement of nitrogen dioxide contents; ultra-violet absorption unit (LIMAS-G).
(Messung gasförmiger Emissionen; Messen von Stickstoffdioxid-Gehalten; Ultraviolettabsorptions-Gerät - LIMAS G.)
WITHDRAWN published on 1.5.1976
Selected format:
Gaseous emission measurement; measurement of nitrogen monoxide; chemiluminescence unit, thermo electron model 10.
(Messen gasförmiger Emissionen; Messen von Stickstoffmonoxid-Gehalten; Chemilumineszenz-Analysator, Thermo Electron Modell 10.)
WITHDRAWN published on 1.5.1978
Selected format:
Gaseous emission measurement; determination of the sum of nitrogen monoxide and nitrogen dioxide as nitrogen monoxide by use of a converter.
(Messen gasförmiger Emissionen; Messen der Summe von Stickstoffmonoxid und Stickstoffdioxid als Stickstoffmonoxid unter Einsatz eines Konverters.)
WITHDRAWN published on 1.5.1978
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