g6 Kansas university quarterly. 



Albuminoid ammonia 0.0278 Nitrogen as nitrites 0.0005 



Nitroj^en as nitrates and ni- Total combined nitrogen 0.1292 



trites 0.0200 Chlorin .-).4')00 



BLUE RIVER. 



MINERAL ANALYSIS. 



Total solids 4:]. (34 Sodium oxid, calculated 4.G3 



Silica and insoluble residue. . . 3.74 Chlorin 2.82 



Iron and alumina oxids 0.72 Sulfuric anhydrid 5.87 



Calcium oxid 11.52 Carbonic anhydrid, calculated 11.31 



Magnesium oxid 3.57 



It is probable that the above constituents are combined as follows 

 in the water: 



Silica and insoluble residue. . . 3.74 Magnesium carbonate 7.50 



Iron and alumina oxids 0.72 Sodium chlorid 4.()5 



Calcium sulfate 5.30' Sodium sulfate 4.97 



Calcium carbonate 10.73 



SANITARY ANALYSIS. 



Total solids 43.6400 Nitrogen as nitrates and ni- 



Organic carbon 0.2920 trites 0.0048 



Organic nitrogen 0.0870 Nitrogen as nitrites 0.0002 



Free ammonia 0.0040 Total combined nitrogen 0953 



Albuminoid ammonia 0.0165 Chlorin 2.8200 



KAW RIVER, ABOVE TOPEKA. 



MINERAL ANALYSIS. 



Total solids 77.12 Sodium oxid, calculati'd 15.72 



Silica and insoluble residue .. 4.42 Chlorin 14.43 



Iron and alumina oxids 0.5() Sulfuric anhydrid 12.10 



Calcium oxid 16.08 Carbonic anhydrid, calculated 12.96 



Magnesium oxid 4.57 



It is probable that these constituents are combined as follows: 



.Silica and insoluble residue.. . 4.42 Magnesium carbonate 10.05 



Iron and alumina oxids 0.50 Sodium chlorid 23.77 



Calcium sulfate, 15.26 Sodium sulfate 5.56 



Calcium carbonate 17.50 



SANITARY ANALYSIS. 



Total solids 77.1200 Nitrogen as nitrates and ni- 



Organic carbon 0.3220 trites 0.0100 



Organic nitrogen 0.0540 Nitrogen as nitrites 0.0000 



Free ammonia .. 0.0017 Total combined nitrogen 0.0654 



Albuminoid ammonia 0.0186 Chlorin 14.4300 



