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)

I I 7. Match point determination of the absorption spectrum of 2,5-dichlorophenylazo-beta-naphthol using a Hilger sector photometer with underwater spark illumination, 1939.