[September, 1900. 



THE 



SCIENTIFIC TRANSACTIONS 



ROYAL DUBLIN SOCIETY, 



VOLUME VIL— (SERIES II. 



VIII. 



THE ACTION OF HEAT ON THE ABSORPTION SPECTRA AND CHEMICAL 



CONSTITUTION OF SALINE SOLUTIONS. 



By W. N. hartley, F.R.S., Royal College of Science, Dubliu. 



[Plates XVII. to XXII.) 



DUBLIN: 

 PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 



WILLIAMS AND NORGATE, 



14, HENRIETTA STREET, COVENT GARDEN, LONDON ; 



20, SOUTH FREDERICK STREET, EDINBURGH: and 7, BROAD STREET, OXFORD. 



PRINTED AT THE XJNIYERSITT PRESS, BY PON SONET AND WELDRICK. 



1900. 



