TABLE OF CONTENTS. 



Page. 



Correspondence 9 



Analysis of the hot waters. 



Introduction 11 



Methods of examination. 



Temperature 13 



Flow 13 



Hydrogen sulphide 13 



Nitrogen and oxygen _■ 14 



Carbon dioxid (in excess of that necessary to form normal carbonates) .. 16 



Carbon dioxid (given off from bicarbonates on evaporation) 16 



Bicarbonic acid 17 



Nitric acid ' 17 



Nitrous acid 17 



Free ammonia 18 



Total ammonia 18 



Oxygen consuming capacity 18 



Total solids 19 



Chlorine 19 



Iodine and Bromine , 19 



Arsenic acid 20 



Boric acid , 20 



Iron, aluminum am I manganese 22 



Silica 22 



Calcium and magnesium 22 



Sulphuric acid, potassium, sodium, and lithium. . _ 23 



Phosphoric acid 24 



Fluorine 25 



Barium and strontium 25 



Medicinal value of substances usually found in mineral waters: 



Carbonates and bicarbonates .• 26 



Sodium carbonate and bicarbonate 26 



Potassium carbonate and bicarbonate r . . : . . 26 



Lithium carbonate and bicarbonate 27 



Magnesium carbonate and bicarbonate 27 



Calcium carbonate and bicarbonate 27 



Ferrous and mans;anous bicarbonate 27 



Chlorides 27 



Sodium chloride 27 



Potassium chloride 27 



Lithium chloride r 27 



Magnesium chloride 27 



Calcium chloride . 27 



Ferrous chloride .... 28 



Ammonium chloride 28 



Sulphates 28 



Sodium and magnesium sulphates 28 



Potassium sulphate 28 



Calcium sulphate 28 



Iron and aluminum sulphate 28 



Iodides 28 



Bromides 28 



Phosphates 28 



5 



