THE THERMAL SPRINGS OF SELANGOR AND MALACCA. 57 



Sodium Sulphide, 



Hydrogen ,, 



Carbonic Acid, 



Nitrogen, 



Silica, 



Organic Matter, 



... 0.019 parts in 10,000. 



... 0.020 ,, 



... 0.480 ,, 



...0.075 „ 



... 0.590 „ 



... 0.295 „ 



2.71915 



Spring at Cherana Puteh. 



Situated in a piece of jungle with bed of soft mud mixed 

 with particles of quartz and granite. A little brook of cold 

 water flows close to the spring and partly mixes with it. 

 Maximum temperature, 55 C. (131 F.). 

 Analysis of a sample of the water after simple filtration to 

 remove suspended matter : — 



Total solids dissolved in water, 22.5 grains per gallon. 

 Hardness, ... ... 4 



Chloride, ... ... 0.7 ,, „ 



Free Ammonia, ... ... 0.04 parts per million. 



Albuminoid Ammonia, .. . ...0.06 ,, ,, 



Constituents dissolved in 10,000 parts of the water 

 Calcium Carbonate, 

 Calcium Sulphate, 

 Magnesium „ 

 Sodium „ 



Potassium, 

 Sodium Carbonate, 

 Ammonium Carbonate, 

 Sodium Chloride, 

 Potassium ,, 

 Lithium, ,, 

 Boric Acid, 

 Sodium Sulphide, ... ... 0.025 



0.250 



pa 



rts in 1 



0.270 





„ 



0.015 





jj 



0.185 





„ 



0.095 





>> 



0.320 





j » 



O.OOOI 



80 



>> 



O.IOO 





>* 



0.090 





n 



trace 





>> 



0,000. 



