I. Cations

Grammes Poids at mique Valence lons monovalents

Sodium .. Na.. 2.25554: 23.00 — 0.098066 x 1 — 0.098066

Potassium. K.. 0.0558 : 39.10 — 0.001427 x 1 = 0.001427 Lithium .. Li.. 0.00032: 6.94 — 0.0000461 x 1 = 0.0000461 Calcium . Ca.. 0.140440: 40.09 = 0.010087 x 2 = 0.020174 Magnésium Mg.. 0.06986: 24.32 = 0.00287 x 2 = (.005742 Périle. Fe.. 0.00160: 55.85 — 0.00002864 x 2 = 0.00005728 Somme des cations.......,.... 0.12546628 Il. Anions

Chlore .. C1 3.47745 : 35.46 = 0.098066 x 1 — 0.098066 Brome ..Br 0.00108 : 79.92 = 0.00001351 x 1 — 0.00001351 Iode .... I 0.0001071: 126.92 = 0.000000843 x 1 = 0.000000843 Acide sulfuri-

que SO 1.01180 : 96.07 — 0.0105319 x 2 — 0.0210638 Acide phos- * phor. PO‘H 0.001702 : 96.048 = 0.00001772 x 3 — 0.00005316 Acide arséni-

que ASO'H 0.0000745 : 139.968 —0.0000005322 x 3 — 0.0000015966 Acide silici-

cique SiO* 0.02691 : 76.30 — 0.0003526 X 2 = 0.0007052

Somme des amons. ce re 0.1199041096 Sonmetdes CAUONS mer 0.12546628 Sommerdes AaniOns 0 1. MU, 0.1199041096 HostereniCO mr run PU NN 0.0055621704

exprimé en ions monovalents

Comme CO est un ion bivalent, ce nombre divisé par 2 donne le nombre des anions de CO’ 0.0055621704

2 — 0.0027810852 Ceci correspond à

ou acide carbon. comb.