HOT SPRINGS, ARKANSAS. 



47 



No. 16. — Imperial spring (south). 



[Situated on the side of Hot Springs Mountain. Sample for mineral analysis was taken Janut 

 1901. Temperature on November 26, 1900, was'60.8° C, and on January 8, 1901, was 60.9° C] 



i ry 9, 



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

 Nitrogen, 8.39; oxygen, 2.49; carbon dioxide (free), 5.24; carbon dioxide (set free 

 from bicarbonates on evaporating to dryness), 28.34; hydrogen sulphide, none. 



Formula and name. 



Si0 2 (silica) 



S0 4 (sulphuric acid radicle)... 

 HC0 3 (bicarbonic acid radicle) 



N0 3 t nitric acid radicle) 



N0 2 (nitrous acid radicle) 



PO4 (phosphoric acid radicle) . 

 BOo (metaboric acid radicle).. 



As0 4 (arsenic acid radicle) 



CI (chlorine) 



Br (bromine) 



I (iodine) 



Ktj i^iron and aluminum) 



Mn (manganese) 



Ca (calcium) 



Mg (magnesium) 



K (potassium i 



Na (sodium) 



Li (lithium) 



NH 4 (ammonium) 



Total 



Total solids 



Albuminoid ammonia 



Oxygen required 



Parts per 

 million. 



43.88 



7.67 



163. 50 



.27 



.0010 



Trace. 



(a) 



None. 

 2.36 

 Trace. 

 Trace. 



.09 



.29 

 45.50 

 4.81 

 1.60 

 4.61 

 Trace. 



.028 



Per cent of 1 Amount of 

 total j water used 

 inorganic I for each 

 material in I determina- 

 solution. ' tion. 



274. 6090 



189. 00 

 None. 

 .25 



15.98 



2.79 



59.54 



.10 



.86 



.03 



.10 



16.58 



1.75 



.58 

 1.68 



.01 



100 



c. c. 



'16,000 



4,000 



100 



100 



100 



2,000 



3,500 



3, 500 



700 



8,000 



8,000 



4,000 



4,000 

 4, 000 

 4,000 

 ' 4,000 

 4,000 

 4,000 

 500 



200 

 500 

 200 



a Small amount. 



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) 



Na. 2 S0 4 (sodium sulphate) 



NaBOo (sodium metaborate) 



Ca 3 (P6 4 i 2 (calcium phosphate) 



NaN0 3 (sodium nitrate) 



NaN0 2 (sodium nitrite) 



NaiHCOs) (sodium bicarbonate) 



M6fCHC0 3 )o (magnesium bicarbonate 

 Cai HC0 3 )»~(calcium bicarbonate) ... 

 Ke O 1 

 AlO 1 C ierr i c oxide and alumina)... 



Mn : 6 4 (mangano-manganic oxide) .. 



OaSi0 3 (calcium silicate) 



S1O2 (silica) 



Total 



Parts per 

 million. 



0.083 

 Trace. 



3.05 



1.40 

 Trace. 

 Trace. 

 11.35 



(*) 



Trace. 



.37 



.0015 



1.02 



29.04 



183. 95 



.13 



.40 

 .23 



43.76 



Per cent of 



total 



inorganic 



material in 



solution. 



0.03 



1.11 

 .51 



4.13 



13 



. 0/ 

 10.57 

 66. 95 



.05 



.15 



.08 



15. 92 



274. 7845 



100 



"Sinall amount. 



