>ll.\KK.\r, SPKINC AT RIETFONTEIN. 583 



TOO.ooo c.c. of water of 4° contain 74.2160 grams of 

 sodium. Mean value, 74.4047 grams of sodium i)er 100,000 c.c. 

 of water. 



l\i;sL"LTs OF PRKCEniNc, Determinatton.s. 



Anions. 



Grams per 100,000 c.c. 

 of water of 4°. 



Chlorine 130.4578 



Silica (SiO.,) 2.1858 



Bicarbcjuate ( 11 CC);/) i .86889 



Sulphuric Acid ( SO/') 0.2282 



Nitric xA.cid (NO/) ... 0.38013 



Phosphoric Acid Traces 



Iodine Minute traces 



Kafions. 



Sodium 74.4047 



Calcium 9.34235 



Aluminium 0.08540 



Magnesium 0.0794 



Barium 0.07374 



Lithium 0.06927 



Ammonium (Nil/) 0.0623 



Iron ( Ferrous ) o . 0334 



CaLCL-LATK)i\S ()!•' THE RELATIVE NuMHERS ()!•■ lONS. 



Anions. 



100.000 c.c. of water contain — 



Sum of 



atomic Monovalent 



drams. weights. X'alency ions. 



/ 



CI 130.4578 : 35.46 = 3.67901 X 1 — 3-679^1 



HC(_). ... 1.86889 : 61.008 = 0.03063 X I = 0-03063 



S(J)^ 0.22^2 : 98.07 = 0.00233 X 2 = 0.00466 



NO3 0.038013 : 62.01 = 0.00061 X i = 0.00061 



Total of Anions 3.71491 



