DE2048961A1 - - Google Patents

Info

Publication number
DE2048961A1
DE2048961A1 DE19702048961 DE2048961A DE2048961A1 DE 2048961 A1 DE2048961 A1 DE 2048961A1 DE 19702048961 DE19702048961 DE 19702048961 DE 2048961 A DE2048961 A DE 2048961A DE 2048961 A1 DE2048961 A1 DE 2048961A1
Authority
DE
Germany
Prior art keywords
sample
light
density
meter according
density meter
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.)
Pending
Application number
DE19702048961
Other languages
German (de)
English (en)
Inventor
Howard Dipl Chem Los Angeles Calif Monell (V St A)
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.)
EMD Chemicals Inc
Original Assignee
Calbiochem Corp
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 to US767332A priority Critical patent/US3565535A/en
Application filed by Calbiochem Corp filed Critical Calbiochem Corp
Priority to DE19702048961 priority patent/DE2048961A1/de
Priority to FR7105993A priority patent/FR2127084A5/fr
Publication of DE2048961A1 publication Critical patent/DE2048961A1/de
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (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)
DE19702048961 1968-10-14 1970-10-06 Pending DE2048961A1 (https=)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US767332A US3565535A (en) 1968-10-14 1968-10-14 Linear densitometer
DE19702048961 DE2048961A1 (https=) 1968-10-14 1970-10-06
FR7105993A FR2127084A5 (https=) 1968-10-14 1971-02-22

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US76733268A 1968-10-14 1968-10-14
DE19702048961 DE2048961A1 (https=) 1968-10-14 1970-10-06
FR7105993A FR2127084A5 (https=) 1968-10-14 1971-02-22

Publications (1)

Publication Number Publication Date
DE2048961A1 true DE2048961A1 (https=) 1972-04-13

Family

ID=27182909

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702048961 Pending DE2048961A1 (https=) 1968-10-14 1970-10-06

Country Status (3)

Country Link
US (1) US3565535A (https=)
DE (1) DE2048961A1 (https=)
FR (1) FR2127084A5 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017001484A1 (de) * 2017-02-16 2018-08-16 Fresenius Medical Care Deutschland Gmbh Verfahren und Anordnung zum Kalibrieren von Vorrichtungen zur Erkennung von Blut oder Blutbestandteilen in einer Flüssigkeit

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652861A (en) * 1969-04-01 1972-03-28 Erie Mfg Co Apparatus for detecting the hardness level of water
US3881825A (en) * 1973-10-11 1975-05-06 Bausch & Lomb Pilot light simulator
US4038555A (en) * 1974-08-28 1977-07-26 Gilford Instrument Laboratories, Inc. Photometric measuring system
USD246461S (en) * 1976-02-06 1977-11-22 Chapman Darwin E Darkroom exposure meter and densitometer
US4096949A (en) * 1976-06-01 1978-06-27 Geosource Inc. Apparatus for performing a three-way sort
USD250810S (en) 1977-06-02 1979-01-16 The Baltimore Spice Company Colorimeter
US4251750A (en) * 1979-03-28 1981-02-17 Gte Products Corporation Fluorescent lamp for use in liquid analysis
US4309112A (en) * 1979-05-15 1982-01-05 Sherwood Medical Industries Inc. Rate measurement analyzer
USD269416S (en) 1980-11-11 1983-06-21 Compur-Electronic Gmbh Photometer
USD275225S (en) 1981-10-19 1984-08-21 Electro-Nucleonics, Inc. Medical analyzer cabinet
US5717216A (en) * 1996-10-16 1998-02-10 Reynolds Metals Company Thickness gauging using ultraviolet light absorption

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017001484A1 (de) * 2017-02-16 2018-08-16 Fresenius Medical Care Deutschland Gmbh Verfahren und Anordnung zum Kalibrieren von Vorrichtungen zur Erkennung von Blut oder Blutbestandteilen in einer Flüssigkeit

Also Published As

Publication number Publication date
US3565535A (en) 1971-02-23
FR2127084A5 (https=) 1972-10-13

Similar Documents

Publication Publication Date Title
DE2048961A1 (https=)
DE2406013A1 (de) Truebungsmesser
DE2114064C3 (de) Fotometer zum Bestimmen des Sauerstoffgehaltes von Blut
DE2258961B2 (de) Einrichtung zum Bestimmen der Feuchte von Tabak durch Messen der elektrischen Leitfähigkeit
DE2638333A1 (de) Selbsttaetig abgleichendes photometer
DE1497557B1 (de) Registriergeraet zur Messung des zirkularen Dichroismus
DE3048153A1 (de) Direkte auslesevorrichtung zum messen von von fluessigkeiten durchgelassenen lichtes
DE2506595A1 (de) Verfahren und vorrichtung zur bestimmung der feuchtigkeit von materialien verschiedener art
DE10027507C1 (de) Schaltungsanordnung zur Erfassung von Kapazitätsänderungen
CH530000A (de) Absorptionsphotometer
DE2528165A1 (de) Geraet zum bestimmen des kraftstoff-luft-verhaeltnisses in einem verbrennungsmotor
DE2435908B2 (de) Photometer
DE2109735C3 (de) Schaltung zur Erzeugung eines Signals, das sich linear mit dem Loga¬
DE886633C (de) Schaltungsanordnung fuer elektrische Instrumente zur Beeinflussung der Skalencharakteristik
DE2655954A1 (de) Vorrichtung zur eindeutigen anzeige des anteils brennbarer bestandteile in einer gasprobe
DE2642891A1 (de) Vorrichtung zur messung des optischen brechungsindexes von fluessigen und gasfoermigen medien
DE2703415C3 (de) Fotografisches Kopiergerät
DE3143669A1 (de) Schaltung zum messen des effektivwertes einer wechselspannung
DE625977C (de) Temperaturkompensation von Messkreisen mit Gleichstrommessgeraet
DE943908C (de) Verfahren und Vorrichtung zur Farbmessung
DE1023531B (de) Vorrichtung zur Belichtungsmessung bei Elektronenmikroskopen
DE2918611A1 (de) Geraet zur messung einer ionisierenden strahlung mit einer anschliessbaren messsonde
CH409453A (de) Registrierendes Flammenphotometer mit einer Einstellvorrichtung
DE945464C (de) Schaltungsanordnung zum Messen elektrischer Spannungen oder Stroeme
DE2529117A1 (de) Verfahren und vorrichtung zur messung der optischen dichte