Examination of several Waters of Hartford, Conn. 387 



Table IV. gives the relative proportion of water and solid con- 

 tents in 1000 parts. 



I would express my indebtedness to Prof. B. Silliman, Jr., 

 for many valuable suggestions during the course of the accom- 

 panying analyses. 



TABLE I. 



Specific weight, 



Amount in grains of solid con- 

 tents in one gallon, as found 

 by evaporation, 



No. 1. 

 1-00081 



41-479 



No. 2. 



1-00044 

 32157 



No. 3. 



100010 



19 334 





No. 4. 



1-00078 



37-102 



No. 5. 



1-00106 

 69-046 



TABLE II. 



Constituents of one gallon in grains, as found by actual analysis, without 



reconstruction. 



onne 



Chi 



Sulphuric acid, 



Carbonic acid, 

 Lime, 



Magnesia, . 

 Alumina and iron 

 Alumina, 

 Soda, . 



Silica, 



Ammonia, . 

 Nuric acid, . 



No. I. 



12-765 

 2-296 

 6-449 



12 192 



1-168 



•204 



" 7-437 

 1052 



43-563 



No. 2. 



3-563 

 2114 

 3-429 

 7671 

 1-116 

 2-267 



6-362 

 3474 



traces 



29 996 



No. 3. 



No. 4. 



No. 5. 



2-407 



1-028 



•561 

 7-075 



•555 



'•817 

 6-893 



•817 



traces. 

 20153 



13764 

 •261 



37-063 



3-517 



21-557 



2-710 



3061 



3-826 



4-533 



8- 1 03 



10-358 



4621 



5293 



•261 



traces. 



23-718 

 •526 



69046 



TABLE III. 



Contents in one gallon as recombined. 



Sulphate of lime, 



Chlorid of calcium, . 



Chlorid of sodium, . 



Chlorid of magnesium, 



Carbonate of lime, . 



Carbonate of magnesia 



Alumina and iron, . 



Alumina, 



S'lica, . 



Carbonate of soda equivalent to crenate of do., 



Magnesia combined with crenic acid, 



Lime, 



No. 1. I No. 2. 



3-538 

 4 046 



3-902 



6-522 

 111621 

 2-396 1*309 



13 149 

 1-109 

 0-204 



1052 

 1-517 



7-581 



2 267 



3-471 

 6-462 

 0-783 



41 043 29-506 



No. 4 



4-606 



4-757 



8-350 



0-261 



4-481 



19-565 36-01258 450 



