Analysis of Water of an Artesian Well at Marinette. 
113 
water expressed in milligrams per liter (parts per million), and 
in grains per U. S. standard gallon of 231 cubic inches: 
Milligrams 
per liter. 
Grains 
per 
gallon. 
Sodium as oxide (Na 2 0). 
63.22 
3.6927 
Potassium as oxide (K 2 0). 
11.10 
0.6473 
Calcium as oxide (CaO). 
299.60 
17.4721 
Magnesium as oxide (MgO). 
124.04 
7.2338 
Aluminium as oxide (Al 2 O s ). 
9.84 
0.5733 
Iron as oxide (Fe 2 O s ). 
4.26 
0.2484 
Chlorine . 
115.30 
6.7241 
Sulphuric acid (H 8 SO 4 ). 
713.84 
41.6297 
Silica (SiOg). 
5.20 
0.3033 
Carbon dioxide (C 0 2 ). 
121.50 
6.0856 
Following the usual method of expressing the results of 
water analysis, the constituents found have been grouped as 
follows: 
Milligrams 
per liter. 
Grains 
per 
gallon. 
Sodium chloride. 
119.50 
7.649 
Potassium sulphate. 
20.46 
1.193 
Calcium sulphate. 
727.60 
42.432 
Magnesium sulphate. 
182.34 
10.634 
Aluminium sulphate. 
47.27 
2.757 
Magnesium chloride. 
69.51 
4.054 
Magnesium bicarbonate. 
52.75 
3.076 
Iron bicarbonate. 
9.48 
0.553 
Silica. 
5.20 
0.303 
Madison , Wis. 
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