FR2204801A1 - - Google Patents
Info
- Publication number
- FR2204801A1 FR2204801A1 FR7338154A FR7338154A FR2204801A1 FR 2204801 A1 FR2204801 A1 FR 2204801A1 FR 7338154 A FR7338154 A FR 7338154A FR 7338154 A FR7338154 A FR 7338154A FR 2204801 A1 FR2204801 A1 FR 2204801A1
- Authority
- FR
- France
- 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.)
- Granted
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
- G01N21/73—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 plasma burners or torches
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/0006—Investigating plasma, e.g. measuring the degree of ionisation or the electron temperature
- H05H1/0012—Investigating plasma, e.g. measuring the degree of ionisation or the electron temperature using electromagnetic or particle radiation, e.g. interferometry
- H05H1/0037—Investigating plasma, e.g. measuring the degree of ionisation or the electron temperature using electromagnetic or particle radiation, e.g. interferometry by spectrometry
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Electromagnetism (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4946672A GB1447972A (en) | 1972-10-26 | 1972-10-26 | Plasma emission spectroscopy |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2204801A1 true FR2204801A1 (de) | 1974-05-24 |
FR2204801B1 FR2204801B1 (de) | 1977-08-12 |
Family
ID=10452441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7338154A Expired FR2204801B1 (de) | 1972-10-26 | 1973-10-25 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3894803A (de) |
JP (2) | JPS49135675A (de) |
BE (1) | BE806611A (de) |
CA (1) | CA1019472A (de) |
DE (1) | DE2353817A1 (de) |
FR (1) | FR2204801B1 (de) |
GB (1) | GB1447972A (de) |
IT (1) | IT998966B (de) |
NL (1) | NL7314598A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH638611A5 (de) * | 1978-12-12 | 1983-09-30 | Loepfe Ag Geb | Vorrichtung zum messen einer querdimension eines laufenden gebildes, insbesondere eines fadens. |
JPS58120154A (ja) * | 1982-01-12 | 1983-07-16 | Hitachi Ltd | プラズマ分布モニタ方法 |
US5009099A (en) * | 1989-05-09 | 1991-04-23 | Varian Associates, Inc. | Background correction method for use in gas chromatography |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3565567A (en) * | 1968-06-25 | 1971-02-23 | Bausch & Lomb | Method of and apparatus for measuring the presence and/or concentration of an element in an atomic vapor |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2577814A (en) * | 1946-02-27 | 1951-12-11 | Dow Chemical Co | Photoelectric instrument for direct spectrochemical analysis by the internal standard method |
US3610759A (en) * | 1967-06-14 | 1971-10-05 | Mercantile Safe Deposit And Tr | Method and apparatus for analyzing atomic spectra of gas samples |
US3588252A (en) * | 1969-09-17 | 1971-06-28 | Baird Atomic Inc | Background suppression system for optical spectrometer |
GB1353013A (en) * | 1970-03-02 | 1974-05-15 | Johnson Matthey Co Ltd | Spectrometers and spectrometry |
US3650630A (en) * | 1970-06-12 | 1972-03-21 | Baird Atomic Inc | Forced zero subsystem, particularly for electro-optic background cancellation systems |
-
1972
- 1972-10-26 GB GB4946672A patent/GB1447972A/en not_active Expired
-
1973
- 1973-10-23 US US409004A patent/US3894803A/en not_active Expired - Lifetime
- 1973-10-24 NL NL7314598A patent/NL7314598A/xx not_active Application Discontinuation
- 1973-10-25 FR FR7338154A patent/FR2204801B1/fr not_active Expired
- 1973-10-25 IT IT30576/73A patent/IT998966B/it active
- 1973-10-26 CA CA184,407A patent/CA1019472A/en not_active Expired
- 1973-10-26 DE DE19732353817 patent/DE2353817A1/de not_active Withdrawn
- 1973-10-26 BE BE137151A patent/BE806611A/xx unknown
- 1973-10-26 JP JP48120068A patent/JPS49135675A/ja active Pending
-
1981
- 1981-12-11 JP JP1981184846U patent/JPS57116857U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3565567A (en) * | 1968-06-25 | 1971-02-23 | Bausch & Lomb | Method of and apparatus for measuring the presence and/or concentration of an element in an atomic vapor |
Non-Patent Citations (3)
Title |
---|
ARTICLE DE A.J. MCCORMACK ET AL: "SENSITIVE SELECTIVE GAS CHROMATOGRAPHY DETECTOR BASED EMISSION SPECTROMETRY OF ORGANIC COMPOUNDS" DANS "ANALYTICAL CHEMISTRY", VOLUME 37, 1965, PAGES 1470 A 1476 * |
ARTICLE DE P.W. BOUMANS ET AL: "STUDIES OF FLAME AND PLASMA TORCH EMISSION FOR SIMULTANEOUS MULTI-ELEMENT ANALYSIS" DANS "SPECTROCHIMICA ACTA", VOLUME 27B, NO 9, SEPTEMBRE 1972, PAGES 391 A 414 * |
ARTICLE DE W. SNELLEMAN ET AL: "FLAME EMISSION SPECTROMETRY WITH REPETITIVE OPTICAL SCANNING IN THE DERIVATIVE MODE" DANS "ANALYTICAL CHEMISTRY", VOLUME 42, NO 3, MARS 1970, PAGES 394 A 398 * |
Also Published As
Publication number | Publication date |
---|---|
BE806611A (fr) | 1974-04-26 |
CA1019472A (en) | 1977-10-18 |
FR2204801B1 (de) | 1977-08-12 |
IT998966B (it) | 1976-02-20 |
NL7314598A (de) | 1974-05-01 |
JPS57116857U (de) | 1982-07-20 |
JPS49135675A (de) | 1974-12-27 |
GB1447972A (en) | 1976-09-02 |
DE2353817A1 (de) | 1974-06-12 |
US3894803A (en) | 1975-07-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |