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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.
Gaseous air pollution measurement - Measurement of concentration of nitrogen monoxide and nitrogen dioxide - Calibration of NO/NOx chemiluminescence analysers using gas phase titration.
(Messen gasförmiger Immissionen - Messen der Stickstoffmonoxid- und Stickstoffdioxid-Konzentration - Kalibrierung von NO/NOx-Chemilumineszenz-Messgeräten mit Hilfe der Gasphasentitration.)
Standard published on 1.10.2002
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Gaseous air pollution measurement - Determination of the nitrogen monoxide and nitrogen dioxide concentration - Preparation of the calibration gas mixtures and determination of their concentration.
(Messen gasförmiger Immissionen - Messen der Stickstoffmonoxid- und Stickstoffdioxid-Konzentration - Herstellung der Prüfgase und Bestimmung ihrer Konzentration.)
Standard published on 1.10.1995
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Gaseous air pollution measurement; measurement of hydrogen sulphide concentration; molybdenum blue sorption method.
(Messen gasförmiger Immissionen; Messen der Schwefelwasserstoff-Konzentration; Molybdänblau-Sorptionsverfahren.)
Standard published on 1.3.1982
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Gaseous air pollution measurement; measurement of hydrogen sulphide concentration; methylene blue Impinger method.
(Messen gasförmiger Immissionen; Messen der Schwefelwasserstoff-Konzentration; Methylenblau-Impingerverfahren.)
Standard published on 1.3.1982
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Stationary source emissions - Reference method for determination of the sum of nitrogen monoxide and nitrogen dioxide - Ion chromatography method.
(Messen gasförmiger Emissionen - Referenzverfahren für die Bestimmung der Summe von Stickstoffmonoxid und Stickstoffdioxid - Ionenchromatographisches Verfahren.)
Standard published on 1.11.2004
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Gaseous emission measurement - Chromatographic determination of organic compounds - Fundamentals.
(Messen gasförmiger Emissionen - Chromatographische Bestimmung organischer Verbindungen - Grundlagen.)
Standard published on 1.11.1997
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Gaseous emission measurement - Gas chromatographic determination of organic compounds - Sampling by absorption in a solvent (2-(2-methoxyethoxy)ethanol, methyldiglycol) at low temperature.
(Messen gasförmiger Emissionen - Gas-chromatographische Bestimmung organischer Verbindungen - Probenahme durch Absorption in tiefkaltem Lösemittel (2-(2-Methoxyethoxy)ethanol, Methyldiglykol).)
Standard published on 1.12.1996
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Gaseous emission measurements - Gas chromatographic determination of organic compounds - Determination of substituted anilines - Sampling by solid phase adsorption.
(Messen gasförmiger Emissionen - Gas-chromatographische Bestimmung organischer Verbindungen - Messen substituierter Aniline - Probenahme durch Adsorption an festen Sammelphasen.)
Standard published on 1.12.1996
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Gaseous emission measurement - Chromatographic determination of organic compounds - Sampling of acidic components in alkaline aqueous solution; Analysis by ion chromatography.
(Messung gasförmiger Emissionen - Chromatografische Bestimmung organischer Verbindungen - Probenahme von sauren Komponenten in alkalischen wässrigen Lösungen; Analyse mit Ionenchromatografie.)
Standard published on 1.12.2000
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Gaseous emission measurement - Chromatographic determination of organic compounds - Sampling in gas vessels, gas chromatographic analysis.
(Messung gasförmiger Emissionen - Chromatografische Bestimmung organischer Verbindungen - Probenahme mit Gassammelgefäßen, gaschromatografische Analyse.)
Standard published on 1.12.2000
Selected format:Latest update: 2024-07-29 (Number of items: 2 339 192)
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