ANALYSES OF WATER OF RED RIVER. 



541 



Iodine, absent; phosphoric acid, traces. Tlie permanganate test showed 

 1.4 parts oxygen consumed by organic matter per 1,000,000 water. Hard- 

 ness, 9.5 degrees. 



7. Water from the lied River at St. Vincent, Minn. 



lugredienta dissolved in the wat«r. 



Silica 



Oxide of iron and alumina 



Carbonate of lime 



Sulphate of lime 



Nitrate of lime 



Carbonate of magnesia 



Phosphate of lithia 



Sulphate of potash 



Nitrite of potash 



Bromide of potassium 



Sulphate of soda 



Chloride of sodium 



Total 



Parts per 

 milliuD. 



13.0 



1.0 



97.8 



35.7 



1.1 



81.9 



0.6 



8.7 



Traces. 



Traces. 



21.7 



22.9 



284.4 



4.6 

 0.4 

 34.3 

 12.6 

 0.4 

 28.7 

 0.2 

 3.1 



Grains per 

 gallon. 



0. 75829 

 . 05833 



5. 70467 



2. 08238 

 .06416 



4. 77723 

 . 03499 

 . 50747 



1. 26576 

 1. 33576 



Iodine, absent. In the permanganate test the oxygen required for 

 oxidation was 3.5 per milHon. Hardness, 19 degrees. 



S. Water from the Red River one-fourth of a mile above the mouth of the Asshiiboine. 



Ingredients dissolved in the water. 



Grains per 



Carbonate of lime 



Carbonate of magnesia 



Sulphate of lime 



Sulphate of potash .... 



Sulphate of soda 



Chloride of sodium. 



Total 



105.6 

 154.3 

 96.3 

 14.5 

 67.4 

 79.9 



518.0 



20.4 

 29.8 

 18.6 

 2.8 

 13.0 

 15.4 



100.0 



6.155 

 8.996 

 5.614 

 .846 

 3.938 

 4.656 



30. 205 



The hardness of this water is 23.9 degrees. 



