JPS5759147A - Apparatus of emission spectroscopic analysis - Google Patents

Apparatus of emission spectroscopic analysis

Info

Publication number
JPS5759147A
JPS5759147A JP13291780A JP13291780A JPS5759147A JP S5759147 A JPS5759147 A JP S5759147A JP 13291780 A JP13291780 A JP 13291780A JP 13291780 A JP13291780 A JP 13291780A JP S5759147 A JPS5759147 A JP S5759147A
Authority
JP
Japan
Prior art keywords
light
opening
waveguide
plasma flame
electric discharge
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.)
Granted
Application number
JP13291780A
Other languages
Japanese (ja)
Other versions
JPS61577B2 (en
Inventor
Yuzuru Komiyama
Yutaka Hiratsuka
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13291780A priority Critical patent/JPS5759147A/en
Publication of JPS5759147A publication Critical patent/JPS5759147A/en
Publication of JPS61577B2 publication Critical patent/JPS61577B2/ja
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
    • G01N21/73—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)

Abstract

PURPOSE:To shorten a light passage from an opening part to a spectrum diffraction part, by providing an electric discharge preventing cover on the opening edge of pipe wall for lighting of a waveguide producing a plasma flame by vapor corresponding to a sample composition component conveying through sending gas. CONSTITUTION:The vapor corresponding to a sample composition component which is generated from a sample 7 by irradiating laser light, is conveyed in a quartz torch 13 penentrating a waveguide 11 through carrier gas from a feeding part 5. Then, a plasma flame 12 of produced gas is formed by microwave energy of the waveguide 11 and radiated light by the plasma flame 12 is received at a light diffaction part 18 facing to an opening 15 of the waveguide 11 each other. The edge part of the opening 15 is covered by an insulating material 14 such as ''Teflon '' and the generation of electric discharge is prevented. Accordingly, a light passage from the opening 15 to the part 18 can be shortened and mixing of interferring light is not generated and then, a highly sensitive and accurate spectroscopic analysis is made by decrease of background due to surrouding light.
JP13291780A 1980-09-26 1980-09-26 Apparatus of emission spectroscopic analysis Granted JPS5759147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13291780A JPS5759147A (en) 1980-09-26 1980-09-26 Apparatus of emission spectroscopic analysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13291780A JPS5759147A (en) 1980-09-26 1980-09-26 Apparatus of emission spectroscopic analysis

Publications (2)

Publication Number Publication Date
JPS5759147A true JPS5759147A (en) 1982-04-09
JPS61577B2 JPS61577B2 (en) 1986-01-09

Family

ID=15092531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13291780A Granted JPS5759147A (en) 1980-09-26 1980-09-26 Apparatus of emission spectroscopic analysis

Country Status (1)

Country Link
JP (1) JPS5759147A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133520U (en) * 1983-02-27 1984-09-06 ナショナル住宅産業株式会社 Reversing device
JPS62235038A (en) * 1986-04-04 1987-10-15 株式会社マキ製作所 Container discharger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133520U (en) * 1983-02-27 1984-09-06 ナショナル住宅産業株式会社 Reversing device
JPS62235038A (en) * 1986-04-04 1987-10-15 株式会社マキ製作所 Container discharger

Also Published As

Publication number Publication date
JPS61577B2 (en) 1986-01-09

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