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
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)
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 (fr) | 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 (fr) |
Families Citing this family (3)
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)
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 |
-
1985
- 1985-08-08 DE DE19853528439 patent/DE3528439A1/de active Granted
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 |