396 



The Philippine Journal of Science 



1914 



Table VIII. — Analysis of waters from mineral 



[Numbers give 





Laboratory No. 



1 



i i 



Date. _ - ..- _ 



Locality.., _.._ - - 



Source _ _.._ _ 



October, 1910 



Cebu, Mainit, Naga. 



October, 1910 _ _.... 



_.- 



North Spring 



South Spring. 



Saline taste " 



Saline taste » .... 



Reaction. _ 







Total solids _ 







SiUca (SiOj) 



Sulphuric acid radicle (SO.,) 



95.85 



98.00 



231.6 _ _ 



294.2 



236.95 „ 



Bicarbonic acid radicle (HCO3) _ 



Carbonic acid radicle (CO3) 



294.28 i 





Nil _ 



Trace „ 



-.., 



Nitric acid radicle (NO3) _ 



Nitrous acid radicle (NOo) _ 



Phosphoric acid radicle (PO^) _ _ 



Metaborie acid radicle (B0-) _ 



Trace. 



Trace. 



Trace 



Nil 



Nil 



Nil _ 





Nil 





Nil 



Nil 



Chlorine ( 01 ) _ 



Bromine (Br) _ 



Iodine (I) 



116.256 



116.25 



Nil _ 



Nil 



Trace. 



Nil _ 



Iron (Fe) 









Aluminium (Al) _ 







Iron oxide (Fe203) and alumina (AI2O3)... 



Manganese (Mn) 



Barium (Ba) _ 



2.62 



Nil .._.._ 



1.375 



Nil _.._ 



...., 



Strontium (Sr) _ „ 





3.95 



80.15 - „- 



Calcium ( Ca ) 



Magnesium (Mg) 



Potassium ( K ) ._ 



Sodium ( Na ) 



Lithium (Li) _ _ „_ 



Ammonium (NH,) _ _ 



80.412. . 



63.90 



8.532 .._ 



150.46..._ _ 



Nil 



67.70 



6.654 



150.44 _ _.. 



NiL„ 





Oxygen to form FeoOa. „ 







Free carbon dioxide (COj) 



Classification 



Remarks 



45.5 cc. per liter.. — 



C) 

 (O 



35.3 cc. per liter. _ 



C) 

 C) 





» Transparent with bluish tint ; odor of hydrogen sulphide. 



» Thermal, sodic, sulphated, muriated, alkaline-saline, sulphui-eted. 



" Hydrogen sulphide, 0.16 cc. per liter ; 305 bacteria per cc. ; specific gravity at 4° C, 1.0015 ; 

 water, 34°.5 C. 



■1 Probably of the same origin as the North Spring. Hydrogen sulphide, 0.16 cc. per liter; 

 specific gravity at 4° C, 1.0015 ; water. 34°.5 C. 



