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Priority to JP10392376ApriorityCriticalpatent/JPS5329186A/ja
Publication of JPS5329186ApublicationCriticalpatent/JPS5329186A/ja
Publication of JPS5549247B2publicationCriticalpatent/JPS5549247B2/ja
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
G01N21/72—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 flame burners
