Volltext: Reports of Visits to Foreign Laboratories, vol. 4 (1923) [Illustrated Typoscript in 7 volumes] Reproduced with the kind permission of Dr. Cecil E. Leith (4)

Karolinska University. 
Department of Medicine and Physiological Chemistry. 
Professor Widmark. 
This "being the first visit to Lund, wo looked forward with a great 
deal of pleasure to meeting Professors Widmark, Thonberg, and Petrén. 
professor Widmark, who has the position left vacant by the death of Bang, 
is very serious and is occupied with teaching and research work, and more 
particularly with the building and. equipment of a new laboratory which is 
already nearing completion. A visit to the old laboratory shows it a place 
quite unfit for modern research work, but still used in every available 
way for careful work. The new laboratory is supposed to be finished in 
1924. Widmark is doing a lot of work on hydrogen-ion concentration with 
a Leeds and Northrup apparatus, with which he is very much pleased, but is 
not at all pleased with the Clark electrode. Hydrogen is generated by an 
apparatus devised by Hill, the Lund mechanician. He referred to the work 
done by another man, whom I subsequently found to be in Copenhagen, who 
uses hydrochinone powder which lie shakes with the material to be studied and 
gets a hydrogen-ion concentration without continuous mechanical shaking. 
Doing work on the titration of acids by the electrical bridge method, he 
finds the curves break sharply at certain concentrations. He also uses the 
electrical bridge method in urines. With dogs' urines he gets a dissociable 
acidity, etc. He has a lot of money tied up in apparatus for this purpose. 
He ha3 worked a great deal with vitamines, as have all the others, and finds 
that Moilin's food is a fine basal "vitamine-free" ration for rats. I 
took a photograph of Professor Widmark at his desk (see figure 45}.


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