Within two months of starting, his studies were interrupted by a protracted illness and when he returned to Lwów, in 1846, he was attracted by natural science and chose a new career path by moving to the German-language Technische Akademie.

[3] This was closely followed by his publication of Wykład chemii nieorganicznej zastosowanej do przemysłu, rolnictwa i medycyny, (An applied inorganic chemistry manual for industry, agriculture and medicine) produced in an accessible language to explain practical applications of chemical science.

(See Rectors of the Jagiellonian University 1817–1899) Part of his research focused on the chemical analysis of naturally occurring mineral water from the spa towns of Krynica-Zdrój and Iwonicz-Zdrój.

[3] His other research included such areas as: He completed a synthesis of chemical science as it stood in his day, devoting three separate textbooks to the fields of organic and inorganic chemistry: His early years at the University were difficult as he waged a single-handed battle with the occupying Austrian authorities by insisting on taking courses in Polish and not in the prescribed German.

Czyrniański died suddenly of a heart attack on 14 April 1888 in Kraków, three days before his daughter gave birth to his grandson, Józef Retinger.