584 



MINERAL SPKINc; AT KlETFc )M1 EIN . 



Kalio]is. 

 100,000 c.c. of water contain — 

 Sum of 

 atomic 



Na ... 



Ca ... . 



Li ... . 



Al ... . 



Mg... . 



NH,.. . 



Fe ... . 



Ba ... . 



Grams. 



74.4047 



9-34235 

 0.06927 



o . 08540 



weights. 



X^alency 

 3.23499 X 



23 



40.09 = 0.23303 X 

 7.00 = 0.00990 X 



Monovalent 

 ions. 



1 = 3-23499 



2 = 0.46606 



"/ 





0.0794 : 24.32 

 0.0623 : 18.042 

 0.0334 : 55.85 

 0-07374 1137 -37 

 Total of Rations 



0.00315 X 

 0.00326 X 

 0.00345 X 

 0.00060 X 

 0.00054 X 



1 = 



3 = 



2 ^=^ 



I = 



o . 00990 

 o . 00945 

 o . 00652 



0.00345 



0.00120 

 0.00108 

 3 • 73265 



Calculation of the Constituents as Undissociated 



Molecules. 



Bicarbonates. — The water is slightly alkaline, and on ex- 

 posure forms a precipitate of ferrous and calcium carbonates. 

 The iron and part of the calcium can, therefore, be regarded as 

 being present as bicarbonates. The ammonia might also be cal- 

 culated as bicarbonate. 



100.000 c.c. of water contain 1.86889 gnun of HCO3 ; 

 0.0334 of a gram of iron (ferrous) require 0.07297 

 of a gram of HCO., and form 0.10637 of a gram 

 of ferrous bicarbonate, leaving 1.79592 gram HCO, for forma- 

 tion of calcium and ammonium bicarbonates. 0.0623 o^ ^ gram 

 of NH^ correspond to 0.21072 of a gram of HCO;,,, and forms 

 0.2730 of a gram of ammonium bicarbonate. 



The residual i .58520 grams of HCO. corresponds to 0.5208 

 of a gram of calcium, and form 2.1060 grams of calcium bicar- 

 bonate. 



Barium Sulphate. — ( )n evaporating the water to dryness, 

 after removal of the bicarbonates, an insoluble residue, consisting 

 of a mixture of barium sulphate and silica, remains. The barium 

 is therefore regarded as being present as sulphate. 



100,000 c.c. of water of 4° contains 0.1256 of a gram of 

 barium sulphate, corresponding to 0.0519 of a gram of SO4. 



Calcium Sulphate. — -Total SO4, 0.2282 of a gram; SO^ in 

 barium sulphate, 0.0519 of a gram; the remaining 0.1763 of a 

 gram of SO^ requires 0.07357 of a gram of calcium, and forms 

 and containing 0.23154 of a gram of chlorine. 



