HOT SPRINGS, ARKANSAS. 



59 



Xo. 28. — Maurice spring. 



[Situated at base of Hot Springs Mountain in a cluster of springs. Sample for mineral analysis 

 taken May 19. 1901. Temperature on January 8', 1901, was 59.8«C.l 



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

 Nitrogen, 8.73; oxygen, 2.46; carbon dioxide (free), 10.58; Carbon dioxide (set free 

 from bicarbonates on evaporating to dryness), 30.27; hydrogen sulphide, none. 



Formula and name. 



Per cent of 



mill!o P n r ! in S" c 

 material in 



solution. 



SiO» (silica) 47. 41 



S0 4 (sulphuric acid radicle) 7. 80 



HCO3 (bicarbonic acid radicle) 165 



N0 3 (nitric acid radicle) .27 



NO s (nitrous acid radicle) . 0008 



PO4 (phosphoric acid radicle) Trace. 



B0 2 (metaboric acid radicle) ( a ) 



As0 4 varsenic acid radicle) None. 



CI (chlorine) 2. 58 



Br ( bromine) \ Trace. 



I ( iodine) Trace. 



Fel 



\ j > (iron and aluminum) .21 



Mn (manganese) .15 



Ca (calcium) 45. 47 



Mg (magnesium) 4. 82 



K (potassium) ! 1. 76 



Na (sodium) 4. 89 



Li (lithium) | Trace. 



NH 4 (ammonium) j . 061 



Total 



Total solids 



Albuminoid ammonia- 

 Oxygen required 



280. 4218 



198. 50 

 .043 

 1.05 



16.91 



2.78 



58.85 



.10 



.92 



.07 



.05 



16.21 



1.72 



.63 

 1.74 



"."62' 



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 



* Small amount. 

 HYPOTHETICAL FORM OF COMBINATION. 



Formula and name. 



NH4CI (ammonium chloride) 



LiCl (lithium chloride) 



KC1 (potassium chloride) 



>.aCl (sodium chloride) 



KBr (potassium bromide) 



KT (potassium iodide) 



Xa 2 SO (sodium sulphate) 



NaB0 2 (sodium metaborate) 



Ca^PO.^ (calcium phosphate) 



N"aX0 3 (sodium nitrate) 



NaNC>2 (sodium nitrite) 



Na(HCOij) (sodium bircarbonate) 



Mg(HCO-i)o (magnesium bicarbonate). 



Ca(HC0 3 ) 2 (calcium bicarbonate) 



Fe(HC0 3 ) 2 (ferrous bicarbonate) 



Mn(HCOa)2 (manganous bicarbonate). 

 Si0 2 (silica) 



Total. 



Parts per 

 million. 



0.181 



Trace. 



3.36 



1.41 



Trace. 



Trace. 



11.54 



(a) 



Trace. 



.37 



.0012 



1.82 



29.02 



184. 15 



.67 



.48 



47.41 



280. 4122 



Per cent of 



total 



inorganic 



material in 



solution. 



0.06 



1.20 

 .50 



4.12 



.13 



.65 



10.35 



65. 67 



.24 



.17 



16.91 



100 



» Small amount. 



