38 



HOT SPRINGS, ARKANSAS. 



X. 



-Imperial spring ( north ). 



[Situated on the Hide of Hot Springs Mountain. Sample for mineral anaylsis was taken January 

 9, 1901. Temperature on November 14, 1900. was 60.1° C, and on January 8, 1901, was 60.8° C] 



Gases (number of cubic centimeters per liter at 0° C. and 760 mm. pressure). — 

 Nitrogen, 7.75; oxygen, 2.53; carbon dioxide (free), 7.48; carbon dioxide (set free 

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



Formula and name. 



SiOo (silica) 



S0 4 (sulphuric acid radicle) ... 

 HC0 3 (bicarbonic acid radicle) 



N0 3 (nitric acid radicle} 



N0 2 (nitrous acid radicle) 



PO4 (phosphoric acid radicle).. 

 BOv (metaboric acid radicle). .. 



As0 4 (arsenic acid radicle) 



CI (chlorine) 



Br (bromine) 



I (iodine) 



,f [-(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 



Parts per 

 million 



Per cent of 



total 



inorganic 



material in 



solution. 



Amount of 

 water used 

 for each 

 determina- 

 tion. 



44.59 



7.92 



169. 60 



.33 



. 0041 

 Trace. 



.86 

 None. 

 2.50 

 Trace. 

 Trace. 



.35 



.18 

 47.23 

 4.99 

 1.70 

 4.57 

 Trace. 



.116 



15.65 



2.78 



59. 53 



.11 



c. c. 



8,000 



4,000 



100 



100 



100 





2,000 



.30 



6,000 

 3,000 



.88 



800 

 3,200 





3,200 



2,000 



2,000 

 2,000 

 2,000 

 4.000 

 4,000 

 4,000 

 500 



.12 



.06 



16. 58 



1.75 



.59 

 1.61 



.04 



284. 9401 



100 









202 

 .058 

 1.10 





200 





500 





200 







HYPOTHETICAL FORM OF COMBINATION. 



Formula and name. 



NH4CI (ammonium chloride) 



LiCl (lithium chloride) 



KC1 (potassium chloride) 



NaCl (sodium chloride) 



KBr (potassium bromide) 



KI (potassium iodide) 



Na2S0 4 (sodium sulphate) 



MgS0 4 (magnesium sulphate) 



NaBOo (sodium metaborate) 



Ca :i (P0 4 )o (calcium phosphate) 



NaNOj (sodium nitrate) 



NaNOo (sodium nitrite) 



Mg(HC0 3 )-2 (magnesium bicarbonate) 



Ca(HCOa)o (calcium bicarbonatel 



Fe(HC0 3 )o (ferrous bicarbonate) 



Mn(HC0 3 )" 2 (manganous bicarbonate) 

 Si0 2 (silica) 



Total 



Parts per 

 million. 



0.344 

 Trace. 

 3.24 

 1.20 

 Trace. 

 Trace. 

 10.85 

 .74 

 1.32 

 Trace. 

 .45 

 .0063 

 29.14 

 191. 28 

 1.11 

 .58 

 44.59 



284. 8503 



Percent of 

 total 



inorganic 

 material in 



solution. 



0.12 



1.14 

 .42 



3.81 

 .26 

 .46 



.16 



10.23 



67.16 



.39 



.20 



15.65 



100 



