DE3222239C2 - - Google Patents

Info

Publication number
DE3222239C2
DE3222239C2 DE19823222239 DE3222239A DE3222239C2 DE 3222239 C2 DE3222239 C2 DE 3222239C2 DE 19823222239 DE19823222239 DE 19823222239 DE 3222239 A DE3222239 A DE 3222239A DE 3222239 C2 DE3222239 C2 DE 3222239C2
Authority
DE
Germany
Prior art keywords
measuring
hygrometer
spectral
wavelength
gases
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE19823222239
Other languages
German (de)
English (en)
Other versions
DE3222239A1 (de
Inventor
Lothar Dipl.-Phys. Dr. Ddr 1140 Berlin Dd Martini
Bernd Dipl.-Phys. Dr. Ddr 1185 Berlin Dd Stark
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Berlin Brandenburg Academy of Sciences and Humanities
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Berlin Brandenburg Academy of Sciences and Humanities filed Critical Berlin Brandenburg Academy of Sciences and Humanities
Priority to DE19823222239 priority Critical patent/DE3222239A1/de
Publication of DE3222239A1 publication Critical patent/DE3222239A1/de
Application granted granted Critical
Publication of DE3222239C2 publication Critical patent/DE3222239C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE19823222239 1982-06-12 1982-06-12 Ultraviolett-spektralhygrometer zur gasfeuchtigkeitsbestimmung Granted DE3222239A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823222239 DE3222239A1 (de) 1982-06-12 1982-06-12 Ultraviolett-spektralhygrometer zur gasfeuchtigkeitsbestimmung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823222239 DE3222239A1 (de) 1982-06-12 1982-06-12 Ultraviolett-spektralhygrometer zur gasfeuchtigkeitsbestimmung

Publications (2)

Publication Number Publication Date
DE3222239A1 DE3222239A1 (de) 1983-12-15
DE3222239C2 true DE3222239C2 (enrdf_load_stackoverflow) 1990-11-29

Family

ID=6165993

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823222239 Granted DE3222239A1 (de) 1982-06-12 1982-06-12 Ultraviolett-spektralhygrometer zur gasfeuchtigkeitsbestimmung

Country Status (1)

Country Link
DE (1) DE3222239A1 (enrdf_load_stackoverflow)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE718434C (de) * 1939-12-08 1942-03-12 Siemens Ag Gegentaktphotometer
US2654845A (en) * 1952-11-07 1953-10-06 Cecil S Presenz Vapor detector
US3769517A (en) * 1972-01-21 1973-10-30 Ppg Industries Inc Controlled atmosphere chamber
US3796887A (en) * 1972-05-17 1974-03-12 Itt Photometric analyzer
DD109076A1 (enrdf_load_stackoverflow) * 1973-12-28 1974-10-12
DD109077A1 (enrdf_load_stackoverflow) * 1974-01-03 1974-10-12
US4192996A (en) * 1978-07-12 1980-03-11 Hewlett-Packard Company Measurement of oxygen by differential absorption of UV radiation

Also Published As

Publication number Publication date
DE3222239A1 (de) 1983-12-15

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWAN

8339 Ceased/non-payment of the annual fee