134 CHEMICAL STATICS 



This fact also explains the observation of Bugarszky and Lieber- 

 mann (8) that uncombined and, presumably, unionized proteins 

 do not combine with salts in neutral solutions. These observers 

 used egg-albumin, which, according to Pauli, is electrically neutral 

 when uncombined with acids or bases. 



(ix) The observation of Hardy and Pauli that coagulation of a 

 protein by salts is possible whether it be ionic or not, since the 

 dehydration of terminal — NH2 and — COOH groups does not 

 depend upon the dissociation of — COH.N— groups. 



(1 

 (2 



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(15) FreundUch, H., Zeit. f. physik. Chem. 44 (1903), p. 129. 



(16) Freundlich, H., Zeit. f. Chem. und Ind. d. Koll. 1 (1907), p. 321. 



(17) Galeotti, G., Zeit. f. physiol. Chem. 40 (1904), p. 492. 



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