HOT SPRINGS, ARKANSAS. 



57 



No. 26. — Palace spring. 



[Situated at base of Hot Springs Mountain. Sample for mineral analysis taken May li), 1901. 

 perature on December 11, 1900, was 63.4° C, and on January S, 1901, was 61.4° C] 



Tern 



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

 Nitrogen, S.84; oxygen, 3.02; carbon dioxide (free), 8.60; carbon dioxide (set free 

 from bicarbonates on evaporating to dryness); 30.58; hydrogen sulphide, none. 



Formula and name. 



Si0 2 (silica) . 



S0 4 (sulphuric acid radicle) 



HC0 3 (bicarbonic acid radicle) 



N0 3 (nitric acid radicle) 



NOo (nitrous acid radicle) 



PO4 (phosphoric acid radicle) . . 



BO; (metaboric acid radicle) . . . 



As0 4 (arsenic, acid radicle) 



CI (chlorine) 



Br bromine) 



I (iodine) 



Fe) 



, ] ! (iron and aluminum) 



Mn (manganese) 



Ca (calcium) 



Mg (magnesium) 



K ( potassium) 



Na (sodium) 



Li (lithium) 



XH 4 (ammonium) 



Parts per 

 million. 



Total 



Total solids 



Albuminoid ammonia. 

 Oxygen required 



47.86 

 7.82 

 166. 50 

 Trace. 

 .0008 

 Trace. 



(a) 



None. 



2.50 



Trace. 



Trace. 



.19 



Trace. 

 46.75 

 4.99 

 1.74 

 4.80 

 Trace. 

 .021 



283. 1718 



201. 50 

 .005 

 .35 



Per cent of 



total 



inorganic 



material in 



solution. 



a Small amount. 

 HYPOTHETICAL FORM OF COMBINATION. 



16.90 



2.76 



58.80 



.07 



16.52 



1.76 



.61 



1.69 



".'6i' 



100 



Amount of 

 water used 



for each 

 determina- 

 tion. 



c. c. 



8,000 



4,000 



100 



100 



100 



2,000 



3,000 



3,000 



600 



5, 400 



5,400 



7,500 



7,500 

 2, 000 

 2, 000 

 4,000 

 4,000 

 4,000 

 500 



200 

 500 

 200 



Formula and name. 



NH4CI (am m onium chloride) 



LiCl (lithium chloride) 



KC1 (potassium chloride) 



NaCl (sodium chloride) 



KBr (potassium bromide) 



KI (potassium iodide) 



Na 2 S0 4 (sodium sulphate) 



NaB0 2 (sodium metaborate) 



CA ? ,(P0 4 ) 2 (calcium phosphate) 



NaN0 3 (sodium nitrate) 



NaX0 2 (sodium nitrite) 



NaiHC0 3 ) (sodium bicarbonate) 



Mg(HC0 3 ) 2 (magnesium bicarbonate) 



Ca(HC0 3 ) 2 (calcium bicarbonate) 



Mn(HC0 3 )o (manganous bicarbonate) 



Al'Oo ( (f err i c oxide and alumina) . . . 



CaSi0 3 (calcium silicate) 



Si0 2 (silica) 



Total 



Parts per 

 million. 



0.062 

 Trace. 

 3.31 

 1.43 

 Trace. 

 Trace. 

 11.58 



(a) 



Trace. 

 Trace. 

 .0012 

 1.75 

 30.04 

 186. 14 

 Trace. 



.27 



2.30 



46.67 



283. 5532 



Per cent of 



total 



inorganic 



material in 



solution. 



0.03 



1.17 

 .50 



4.08 



.61 

 10.60 

 65.65 



.09 



.81 

 16.46 



100 



a Small amount. 



