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 NH 2 and COOH groups does not 

 depend upon the dissociation of COH.N groups. 



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