52 THE THERMAL SPRINGS OF SELANGOR AND MALACCA. 



Ulu Klang Spring. 

 83-84° C. (i8i-i8 3 °F.). 



Temperature, 



Hardness, 



Chlorine, 



Free Ammonia, 



Albuminoid Ammonia, 



Total solids dissolved in the water 



2.0 grains per gallon. 



0-45 „ 



0.03 parts per million. 

 0.04 „• „ 



21.95 grains per gallon. 



Dnstituents dissolved in 



10,000 parts of the water :- 





Calcium Carbonate, 



... 0.1600 



parts in 10,000 



Sodium „ 



... 0.1950 



j> 3 





Ammonium ,, 



... 0.0050 



)• > 





Calcium Sulphate, 



. . . 0.1250 



n ) 





Magnesium „ 



... 0.0201 



>> > 





Sodium ,, 



... 0.2200 



> > ) 





Potassium ,, 

 Sodium Chloride, 



... 0.0955 

 . . . 0.0500 







Potassium ,, 



... 0.0150 



>j ) 





Lithium ,, 



. . . trace 



>j ) 





Sodium Sulphide, 



... 0.0200 



)> ) 





Hydrogen ,, 

 Boric Acid, 



... 0,0350 







Carbonic Acid, 



... 0.8050 



>> ) 





Nitrogen, 



. .. 0.0700 



)) ) 





Potassium Iodide, 



... trace 



)) i 





Organic Matter, 

 Silica, 



... 0.0950 

 ... 1.5000 



).' J 







Total,... 3.4606 



» )> 



Composition of Gases escaping from Spring. 

 Nitrogen, ... ... ... 95.85 



Carbonic Acid, ... ... ... 3.50 



Hydrogen Sulphide, ... ... ... 0.65 



Hydrogen and Marsh Gas, ... ... trace 



100.00 



