32 



HOT SPRINGS, ARKANSAS. 



No. 1. — Egg spring. 



[Situated on side of Hot Springs Mountain. Sample for mineral analysis taken January 9, 1901 

 Temperature on November 7, 1900, was 61.9° C. and on January 8, 1901, was 61.7° I '.] 



Gases (number of cubic centimeters per liter at 0° C. and 700 mm. pressure). — 

 Nitrogen, 9.16; oxygen, 1.18; carbon dioxide (free), 10.84; carbon dioxide (set free 

 from bicarbonatea on evaporating to dryness), 31.14; hydrogen sulphide, none. 



Formula and name. 



Si0 2 (silica) 



S0 4 ~(sulphuric acid radicle). . . 

 HC0 3 (bicarbonic acid radicle) 



N0 3 (nitric acid radicle) 



N0 2 (nitrous acid radicle) 



P0 4 (phosphoric acid radicle) . 

 B0 2 (metaboric acid radicle) .. 



As0 4 (arsenic acid radicle) 



CI (chlorine) 



Br ( bromine ) 



I (iodine) 



.?}• (iron and aluminum) 



Mn (manganese) 



Ca (calcium) 



Mg (magnesium) 



K (potassium) 



Na (sodium) 



Li (lithium) 



NH 4 (ammonium) 



Total 



Total solids 



Albuminoid ammonia 



Oxygen required 



Per cent of Amount of 

 Partsner total waterused 



million. '. ^organic i for each 

 material m dctermina- 

 solution. tion. 



45. 11 



7. S3 



166. 50 



.88 ' 

 Trace. 

 Trace. 



( a ) 



None. 



2.50 



Trace. 



Trace. 



.24 



.36 



46.09 



4.81 



1.65 



4.52 



Trace. 



.302 



280. 792 



200. 00 

 .040 

 1.95 



16.07 



2. 79 



58.94 



.32 



.89 



.08 



.09 



16.78 



1.72 



.59 

 1.62 



.11 



100 



c. c. 



" 8,000 



4, 000 



100 



100 



100 



2,000 



3,000 



3,000 



800 



3,200 



3, 200 



2,000 



2, 000 

 2, 000 

 2,000 

 4,000 

 4,000 

 4,000 

 500 



200 

 500 

 200 



1 Small amount. 

 HYPOTHETICAL FORM OF COMBINATION. 



Formula and name. 



NH4CI (ammonium chloride) 



LiCl (lithium chloride) \ 



KC1 (potassium chloride) 



NaCI (sodium chloride) 



KBr (potassium bromide) 



KI (potassium iodide) 



Na»S0 4 (sodium sulphate) 



NaBOo (sodium metaborate) 



Ca 3 (P0 4 )o (calcium phosphate) 



NaN0 3 (sodium nitrate) 



NaN0 2 (sodium nitrite) 



Na(HCO :J ) (sodium bicarbonate) 



Mg(HCOj) 2 (magnesium bicarbonate) 



Ca(HC0 3 )o"(caleium bicarbonate) 



Fe(HC0 3 ) 2 (ferrous bicarbonate) 



Mn(HCO i j.i (manganous bicarbonate) 

 Si0 2 (silica") 



Total 



Parts per 

 million. 



280. 786 



Percent of 



total 



inorganic 



material in 



solution. 



0.896 



0.32 



Trace. 





3.15 



1.12 



.68 



.24 



Trace. 





Trace. 





11.59 



4.13 



C) 

 Trace 







1.20 



.43 



Trace. 





.62 



.22 



28. 96 



10.31 



186. 66 



66.48 



.76 



.27 



1.16 



. 11 



45.11 



16.07 



100 



a Small amount. 



