the thermal springs of selangor and malacca. jx 

 Ulu Selangor Spring. 



Temperature, 



Hardness, 



Total solids dissolved in the water 



Chlorine, 



Free Ammonia, 



Albuminoid Ammonia, 



100.2% F. (38 C). 



3.5. grains per gallon. 



19-5 

 0.5 



0.16 parts per million. 

 0.12 ,. 



Constituents dissolved in 10,000 

 Calcium Carbonate, 

 Sodium „ 



Ammonium ,, 

 Calcium Sulphate, 

 Magnesium ,, 

 Sodium ,, 



Potassium ,, 

 Sodium Chloride, 

 Potassium ,, 

 Lithium ,, 



Potassium Iodide, 

 Sodium Sulphide, 

 Hydrogen* ,, 

 Boric Acid, 

 Carbonic Acid,* 

 Nitrogen* 

 Organic Matter, 

 Silica, 



parts of the water :— 

 .. 0.2100 parts in 10,000 

 .. 0.1800 ,, ,, 



• 0.0025 ,, 





>) 



. o.igoo ,, 

 . 0.0180 ,, 





1) 



>> 



. 0.1850 ,, 

 . 0.0600 ,, 







. 0.0700,, 

 . o.oogo ,, 

 . trace ,, 

 . trace ,, 





J) 

 •> 



. o.oogo. 



not determined. 

 . trace. 

 . not determined. 





. 0.1 100 parts 

 . 1.2000 ,, 



in 



10,000 



Total,... 1. 2135 parts in 10,000 



Composition of Gases from Ulu Selangor Spring and 

 surrounding Air. 



Not determined, as I did not visit the spring in person. 



* These constituents were not determined, as I did not personally visit this 

 spring, and they can only be correctly estimated in freshly coile ted water. Judg- 

 ing by analogy they would differ but slightlv from the amounts under " Gom- 

 bah." 



