Bunsen held the chair of chemistry.
At the same time, however, the conception of radicals could not be entirely displaced, for the researches of Liebig and Welder, and those made subsequently by Bunsen, demonstrated beyond all doubt the advantages which would accrue from their correct recognition.
Hold a small portion of the substance moistened with hydrochloric acid on a clean platinum wire in the fusion zone' of the Bunsen burner, and note any colour imparted to the flame.
Beilstein determines their presence by heating the substance with pure copper oxide on a platinum wire in the Bunsen flame; a green coloration is observed if halogens be present.
Before taking up residence in his parish he once more went abroad, and made in Rome the acquaintance of the Chevalier Bunsen, who afterwards dedicated to him part of his work, Hippolytus and his Age.
