FR812668A - Grisoumètre - Google Patents

Grisoumètre

Info

Publication number
FR812668A
FR812668A FR812668DA FR812668A FR 812668 A FR812668 A FR 812668A FR 812668D A FR812668D A FR 812668DA FR 812668 A FR812668 A FR 812668A
Authority
FR
France
Prior art keywords
grisoumeter
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
Other languages
English (en)
Inventor
Albert Lepetit
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 filed Critical
Application granted granted Critical
Publication of FR812668A publication Critical patent/FR812668A/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
    • G01N21/72—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners

Landscapes

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (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)
FR812668D 1936-01-20 1936-01-20 Grisoumètre Expired FR812668A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR812668T 1936-01-20

Publications (1)

Publication Number Publication Date
FR812668A true FR812668A (fr) 1937-05-14

Family

ID=9265762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR812668D Expired FR812668A (fr) 1936-01-20 1936-01-20 Grisoumètre

Country Status (1)

Country Link
FR (1) FR812668A (fr)

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