Azo to meter
Chandler's Encyclopedia · 1898 · p. 9
Knop's is based on the fact that bromine in alkaline sodic hypochlorite sets free all nitrogen from ammonium salts. The nitrogen set free in A is measured in B.
Bu kavram başka kaynaklarda da geçiyor
A Dictionary of Military Terms (1918)
An Illustrated Encyclopaedic Medical Dictionary (1891)
Readham'da tam maddeyi gor →