FR1335780A - Perfectionnements aux appareils de mesure - Google Patents

Perfectionnements aux appareils de mesure

Info

Publication number
FR1335780A
FR1335780A FR911558A FR911558A FR1335780A FR 1335780 A FR1335780 A FR 1335780A FR 911558 A FR911558 A FR 911558A FR 911558 A FR911558 A FR 911558A FR 1335780 A FR1335780 A FR 1335780A
Authority
FR
France
Prior art keywords
measuring devices
measuring
devices
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
Application number
FR911558A
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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
Priority claimed from US143749A external-priority patent/US3150264A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR911558A priority Critical patent/FR1335780A/fr
Application granted granted Critical
Publication of FR1335780A publication Critical patent/FR1335780A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets
    • 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths

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)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
FR911558A 1961-10-09 1962-10-08 Perfectionnements aux appareils de mesure Expired FR1335780A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR911558A FR1335780A (fr) 1961-10-09 1962-10-08 Perfectionnements aux appareils de mesure

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US143749A US3150264A (en) 1961-10-09 1961-10-09 Infrared reflection and absorption system for measuring the quantity of a substance that is sorbed in a base material
FR911558A FR1335780A (fr) 1961-10-09 1962-10-08 Perfectionnements aux appareils de mesure

Publications (1)

Publication Number Publication Date
FR1335780A true FR1335780A (fr) 1963-08-23

Family

ID=26197847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR911558A Expired FR1335780A (fr) 1961-10-09 1962-10-08 Perfectionnements aux appareils de mesure

Country Status (1)

Country Link
FR (1) FR1335780A (fr)

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