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Standards VDI - German standards - Page 390
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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VDI 3490Blatt4
WITHDRAWN
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Measurement of gases; preparation of calibration gas mixtures by gravimetric methods.
(Messen von Gasen; Prüfgase; Herstellung mit gravimetrischen Methoden.)
WITHDRAWN published on 1.12.1980
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VDI 3490Blatt5
WITHDRAWN
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Measurement of gases; determination of the composition of calibration gas mixtures by comparison methods.
(Messen von Gasen; Prüfgase; Ermittlung der Zusammensetzung durch Vergleichsmethoden.)
WITHDRAWN published on 1.12.1980
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VDI 3490Blatt6
WITHDRAWN
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Measurement of gases; calibration gas mixtures; dynamic; preparation by gas-mixing pumps.
(Messen von Gasen; Prüfgase; Dynamische Herstellung mit Gasmischpumpen.)
WITHDRAWN published on 1.12.1988
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VDI 3490Blatt7
WITHDRAWN
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Measurement of gases; calibration gas mixtures; dynamic method of preparation by periodic injection.
(Messen von Gasen; Prüfgase; Dynamische Herstellung durch periodische Injektion.)
WITHDRAWN published on 1.12.1980
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VDI 3490Blatt8
WITHDRAWN
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Measurement of gases; calibration gas mixtures; preparation by continuous injection method.
(Messen von Gasen; Prüfgase; Herstellung durch kontinuierliche Injektion.)
WITHDRAWN published on 1.1.1981
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VDI 3490Blatt9
WITHDRAWN
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Measurement of gases; preparation of calibration gas mixtures by permeation procedures.
(Messen von Gasen; Prüfgase; Herstellung durch Permeation der Beimengung in einen Grundgasstrom.)
WITHDRAWN published on 1.12.1980
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VDI 3491Blatt1
WITHDRAWN
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Particulate matter measurement; characteristics of suspended particulate matter in gases; terms and definitions.
(Messen von Partikeln; Kennzeichnung von Partikeldispersionen in Gasen; Begriffe und Definitionen.)
WITHDRAWN published on 1.9.1980
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VDI 3491Blatt10
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Particulate matter measurement; generation of test aerosols from fibrous powders using a vibrating bed aerosol generator.
(Messen von Partikeln; Herstellen von Prüfaerosolen aus Haufwerken faserförmiger Partikeln mittels Schwingbett-Aerosolgenerators.)
WITHDRAWN published on 1.1.1990
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VDI 3491Blatt11
WITHDRAWN
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Particulate matter measurement; generation of test aerosols using ultrasonic atomizers.
(Messen von Partikeln; Herstellung von Prüfaerosolen unter Verwendung von Ultraschallzerstäubern.)
WITHDRAWN published on 1.1.1990
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VDI 3491Blatt12
WITHDRAWN
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Particulate matter measurement; generation of test aerosols using centrifugal atomizers.
(Messen von Partikeln; Herstellung von Prüfaerosolen unter Verwendung von Zentrifugalzerstäubern.)
WITHDRAWN published on 1.1.1990
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