Technikatörténeti szemle 19. (1992)

KÖNYVISMERTETÉS - Papers of the First „MINERALKONTOR” International Conference on the History of Chemistry and Chemical Industry (Veszprém, 12-16 August, 1991)

One of the first use of the absorption of the infrared radiation is represented by the introduction of the non dispersive TJRAS gas-analysers in 1938 by German engineers of the firma BASF (10). The mass-spectrometry, which of principle was discovered, and the first instrument realised by Aston in 1919, was used first as an industrial control instrument in the USA in 1948 for the control of the thermodiffusion process of the uranium isotop enrichment (Nier, Abbott, etc. (11). 3. Ados, flue gas analyzer (8) 1890