GB999670A - Improvements in or relating to apparatus for the spectographic chemical analysis of materials by means of photoelectric cells - Google Patents

Improvements in or relating to apparatus for the spectographic chemical analysis of materials by means of photoelectric cells

Info

Publication number
GB999670A
GB999670A GB293362A GB293362A GB999670A GB 999670 A GB999670 A GB 999670A GB 293362 A GB293362 A GB 293362A GB 293362 A GB293362 A GB 293362A GB 999670 A GB999670 A GB 999670A
Authority
GB
United Kingdom
Prior art keywords
photo
signals
test sample
cells
chemical analysis
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
GB293362A
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.)
Renault SA
Original Assignee
Renault SA
Regie Nationale des Usines Renault
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 Renault SA, Regie Nationale des Usines Renault filed Critical Renault SA
Publication of GB999670A publication Critical patent/GB999670A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/36—Investigating two or more bands of a spectrum by separate detectors

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB293362A 1961-01-25 1962-01-25 Improvements in or relating to apparatus for the spectographic chemical analysis of materials by means of photoelectric cells Expired GB999670A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR850758A FR1286820A (fr) 1961-01-25 1961-01-25 Perfectionnements aux appareils d'analyse chimique de matériaux par spectrographie au moyen de cellules photoélectriques

Publications (1)

Publication Number Publication Date
GB999670A true GB999670A (en) 1965-07-28

Family

ID=8747483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB293362A Expired GB999670A (en) 1961-01-25 1962-01-25 Improvements in or relating to apparatus for the spectographic chemical analysis of materials by means of photoelectric cells

Country Status (6)

Country Link
BE (1) BE612800A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1498958A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1286820A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB999670A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LU (1) LU41138A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE311441B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765778A (en) * 1971-08-25 1973-10-16 P Bey Digital optical density for measuring the difference in optical density between an absorber of known density and a sample absorber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765778A (en) * 1971-08-25 1973-10-16 P Bey Digital optical density for measuring the difference in optical density between an absorber of known density and a sample absorber

Also Published As

Publication number Publication date
SE311441B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-06-09
FR1286820A (fr) 1962-03-09
DE1498958A1 (de) 1969-02-20
DE1498958B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-05-27
BE612800A (fr) 1962-05-16
LU41138A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1962-03-23

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