Mr King on Recent Modes of Water Analysis. 



29 



Wednesday, 20th January 1875. — Dr John Alexander Smith, President, 

 in the Chair. 



The following gentlemen were balloted for and elected Members : 

 As Corresponding Member — Millen Coughtrey, M.B., Professor of Ana- 

 tomy and Physiology in the University of Otago, New Zealand. As 

 Resident Member — James Bennie, Esq., Geological Survey of Scotland. 



The following donations were laid on the table, and thanks voted to the 

 donors : 



1. Proceedings of the Royal Society, Vol. XXIIL, No. 156.— From the 

 Society. 2. Transactions, etc., of the Edinburgh Botanical Society, Vol. 

 XII., Part I. — From the Society. 3. Annuaire de L'Academie Royale des 

 Sciences, etc., de Belgique, 1874. — From the Academy. 4, Geological Notes 

 on the Noursoak Peninsula and Disco Island, North Greenland, 1875, by Dr 

 Robert Brown. — From the Author. 



The following communications were read : 



I. — Recent Modes of Water Aiialysis, with sj^ecial reference 

 to the examination of Water as to suitahility for Do- 

 mestic ]3urposes. By J. Falconer King, Esq., City 

 Analyst, Edinburgh. 



Table A. — Analysis of Water. 



Carbonate of Lime, . 

 Carbonate of Magnesia, 

 Sulphate of Lime, . 

 Suljjhate of Magnesia, 

 Chloride of Magnesium, 

 Chloride of Sodium, 

 Chloride of Potassium, 

 Silica, 

 Organic matter. 



Table B. — Analysis of Water. 



Total residue, . . . , 



Comprising Volatile residue. 



And Fixed residue, .... 



Consisting mainly of Lime and Magnesia Salts. 

 Albuminoid Ammonia, .... 



Saline Ammonia, ..... 

 Nitric Acid, . . . 



Chlorine, 

 Iron, 

 Lead, 

 Hardness, 

 Colour, 



One of the most important, if not the most important ap- 

 plication of Chemistry to technical purposes is in the exami- 



VOL. IV. E 



