GB1447972A - Plasma emission spectroscopy - Google Patents

Plasma emission spectroscopy

Info

Publication number
GB1447972A
GB1447972A GB4946672A GB4946672A GB1447972A GB 1447972 A GB1447972 A GB 1447972A GB 4946672 A GB4946672 A GB 4946672A GB 4946672 A GB4946672 A GB 4946672A GB 1447972 A GB1447972 A GB 1447972A
Authority
GB
United Kingdom
Prior art keywords
plasma emission
emission spectroscopy
spectroscopy
plasma
emission
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
GB4946672A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB4946672A priority Critical patent/GB1447972A/en
Priority to US409004A priority patent/US3894803A/en
Priority to NL7314598A priority patent/NL7314598A/xx
Priority to IT30576/73A priority patent/IT998966B/en
Priority to FR7338154A priority patent/FR2204801B1/fr
Priority to DE19732353817 priority patent/DE2353817A1/en
Priority to JP48120068A priority patent/JPS49135675A/ja
Priority to CA184,407A priority patent/CA1019472A/en
Priority to BE137151A priority patent/BE806611A/en
Publication of GB1447972A publication Critical patent/GB1447972A/en
Priority to JP1981184846U priority patent/JPS57116857U/ja
Expired 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
    • G01N21/73—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)
GB4946672A 1972-10-26 1972-10-26 Plasma emission spectroscopy Expired GB1447972A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB4946672A GB1447972A (en) 1972-10-26 1972-10-26 Plasma emission spectroscopy
US409004A US3894803A (en) 1972-10-26 1973-10-23 Plasma emission spectroscopy
NL7314598A NL7314598A (en) 1972-10-26 1973-10-24
IT30576/73A IT998966B (en) 1972-10-26 1973-10-25 PLASMA EMISSION SPECTROSCOPY
FR7338154A FR2204801B1 (en) 1972-10-26 1973-10-25
DE19732353817 DE2353817A1 (en) 1972-10-26 1973-10-26 PLASMA EMISSION SPECTROSCOPY
JP48120068A JPS49135675A (en) 1972-10-26 1973-10-26
CA184,407A CA1019472A (en) 1972-10-26 1973-10-26 Plasma emission spectroscopy
BE137151A BE806611A (en) 1972-10-26 1973-10-26 EMISSION SPECTROSCOPY IN PLASMA
JP1981184846U JPS57116857U (en) 1972-10-26 1981-12-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4946672A GB1447972A (en) 1972-10-26 1972-10-26 Plasma emission spectroscopy

Publications (1)

Publication Number Publication Date
GB1447972A true GB1447972A (en) 1976-09-02

Family

ID=10452441

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4946672A Expired GB1447972A (en) 1972-10-26 1972-10-26 Plasma emission spectroscopy

Country Status (9)

Country Link
US (1) US3894803A (en)
JP (2) JPS49135675A (en)
BE (1) BE806611A (en)
CA (1) CA1019472A (en)
DE (1) DE2353817A1 (en)
FR (1) FR2204801B1 (en)
GB (1) GB1447972A (en)
IT (1) IT998966B (en)
NL (1) NL7314598A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH638611A5 (en) * 1978-12-12 1983-09-30 Loepfe Ag Geb DEVICE FOR MEASURING A CROSS DIMENSION OF A RUNNING OBJECT, IN PARTICULAR THREAD.
JPS58120154A (en) * 1982-01-12 1983-07-16 Hitachi Ltd Monitoring method for distribution of plasma
US5009099A (en) * 1989-05-09 1991-04-23 Varian Associates, Inc. Background correction method for use in gas chromatography

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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
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
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

Also Published As

Publication number Publication date
IT998966B (en) 1976-02-20
JPS57116857U (en) 1982-07-20
FR2204801B1 (en) 1977-08-12
FR2204801A1 (en) 1974-05-24
BE806611A (en) 1974-04-26
DE2353817A1 (en) 1974-06-12
JPS49135675A (en) 1974-12-27
CA1019472A (en) 1977-10-18
NL7314598A (en) 1974-05-01
US3894803A (en) 1975-07-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921017