DE3528439C2 - - Google Patents

Info

Publication number
DE3528439C2
DE3528439C2 DE3528439A DE3528439A DE3528439C2 DE 3528439 C2 DE3528439 C2 DE 3528439C2 DE 3528439 A DE3528439 A DE 3528439A DE 3528439 A DE3528439 A DE 3528439A DE 3528439 C2 DE3528439 C2 DE 3528439C2
Authority
DE
Germany
Prior art keywords
graphite tube
electrodes
pair
power supply
electrode
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
DE3528439A
Other languages
German (de)
English (en)
Other versions
DE3528439A1 (de
Inventor
Winfried Ing.(Grad.) 7770 Ueberlingen De Goenner
Hans-Peter Dipl.-Ing. Kurtsiefer (Fh), 7771 Frickingen, De
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.)
PE Manufacturing GmbH
Original Assignee
Bodenseewerk Perkin Elmer and Co GmbH
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 Bodenseewerk Perkin Elmer and Co GmbH filed Critical Bodenseewerk Perkin Elmer and Co GmbH
Priority to DE19853528439 priority Critical patent/DE3528439A1/de
Publication of DE3528439A1 publication Critical patent/DE3528439A1/de
Application granted granted Critical
Publication of DE3528439C2 publication Critical patent/DE3528439C2/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
    • G01N21/62—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
    • G01N21/74—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 flameless atomising, e.g. graphite furnaces
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0019—Circuit arrangements
    • 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
    • G01N21/74—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 flameless atomising, e.g. graphite furnaces
    • G01N2021/745—Control of temperature, heating, ashing

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
DE19853528439 1985-08-08 1985-08-08 Graphitrohrkuevette fuer die flammenlose atomabsorptions-spektroskopie Granted DE3528439A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853528439 DE3528439A1 (de) 1985-08-08 1985-08-08 Graphitrohrkuevette fuer die flammenlose atomabsorptions-spektroskopie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853528439 DE3528439A1 (de) 1985-08-08 1985-08-08 Graphitrohrkuevette fuer die flammenlose atomabsorptions-spektroskopie

Publications (2)

Publication Number Publication Date
DE3528439A1 DE3528439A1 (de) 1987-02-19
DE3528439C2 true DE3528439C2 (enrdf_load_stackoverflow) 1987-12-17

Family

ID=6278002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853528439 Granted DE3528439A1 (de) 1985-08-08 1985-08-08 Graphitrohrkuevette fuer die flammenlose atomabsorptions-spektroskopie

Country Status (1)

Country Link
DE (1) DE3528439A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS274839B2 (en) * 1989-01-04 1991-11-12 Vysoka Skola Chem Tech Atomizing device of high-melting metal
DE19603643A1 (de) * 1996-02-01 1997-08-07 Bodenseewerk Perkin Elmer Co Elektrothermische Atomisierungseinrichtung für die analytische Spektrometrie
DE19911263A1 (de) * 1999-03-13 2000-09-28 Ges Foerderung Spektrochemie Vorrichtung und Verfahren zum berührungslosen Flüssigkeitsprobeneintrag in ein Flammen-beheiztes Rohr für spektroskopische Messungen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3042631A1 (de) * 1980-11-12 1982-06-16 Klaus-Richard Dr. 2000 Hamburg Sperling Verfahren und vorrichtung zum untersuchen von proben mittels flammenloser atemabsorptionsmessung
US4407582A (en) * 1981-01-12 1983-10-04 The Research And Development Institute, Inc. At Montana State University Method and apparatus for reduction of matric interference in electrothermal atomizer for atomic absorption spectroscopy

Also Published As

Publication number Publication date
DE3528439A1 (de) 1987-02-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee