ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
Registr. No.: MK SR 9/7

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Influence of the resolving power of photographic material on the practically attainable detection power in spectrochemical analysis

E. Plško

Institute of Inorganic Chemistry, Slovak Academy of Sciences, Bratislava

 

Abstract:  A method suitable for estimation of resolving power of spectral apparatuses is described. The resolution of five types of photographic materials used in the spectrography was determined. It was found that the resolution of the spectrograph ISP-51 depends on the photographic materials used. On the basis of investigations of relations between the spectral line intensity and the continuous spectrum, when different photographic materials are used, it has been found that it is possible to use spectrograph slits broader than normal, without bringing about deterioration of the relation between the spectral line intensity and the continuous background; consequently the absolute detection power of the spec trochemical analysis can be improved. Dependence of the intensity of the spectral line and of the continuous background on the slit width was also studied at different focal distances of the spectrograph camera.

Full paper in Portable Document Format: 2112a930.pdf (in Slovak)

 

Chemical Papers 21 (12) 930–936 (1967)

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