342  On  the  Poiccr  of  Soils  to  absorb  Manure. 
Experiment  G4. — Mr.  Huxtable’s  light  soil,  with  standard  solution  of 
ammonia. 
4082  grains  of  solution  of  ammonia  1 ...  , , 
456  |rains  of  the  dry  soil  j DlSested  toSether  for  tw0  bours- 
1st  Distillation  of  the  Product — 
Grains. 
Platinum  Salt. 
Ammonia. 
Per  Cent. 
447*18  gave 
15*98 
= 1-2183  or 
•2724 
2nd  Distillation — 
212 ’09  gave 
7-64 
= -58274  or 
•2746 
3rd  Distillation — 
368*10  gave 
12-69 
= -96748  or 
•2628 
The  two  first  estimations 
agree  very 
nearly,  and  will 
perhaps 
correct  than  the  third : — 
Taking  the  1st  and  2nd,  we  have — 
1st  Estimation  . • 
• 2724  per  Cent. 
2nd  , , 
• . 
•2746  ,, 
Mean  . . "2735  , , 
100  grains  of  the  original  Solution  contained  *3173  grains  of  Ammonia. 
100  grains  of  the  resulting  Solution  contained  *2735  ,,  ,, 
Loss  by  each  100  grains  of  Solution  . . '0438  ,,  ,, 
The  whole  quantity  of  solution  (4082  grains)  would  therefore  have  lost 
1 ’7879  grains  of  ammonia,  which  has  been  absorbed  by  456  grains  of  soil ; 
making  the  absorption  in  this  experiment  -3921  for  every  100  grains  of 
soil. 
Experiment  65. — Mr.  Huxtable’s  soil,  and  standard  solution  of  ammonia, 
as  before : — 
Solution  3988  grainsl  Digegted  fm  twQ  hour8 
Soil  594  grains/ 
1st  Distillation  of  the  Product — 
Grains. 
180-36 
2nd  Distillation — 
234-66 
3rd  Distillation — 
230-92 
1st  Estimation  . 
2nd  , , • 
3rd  , , 
Platinum  Salt. 
Ammonia. 
Per  Cent. 
gave 
6-26  = 
•47726 
or 
•2646 
gave 
8-14 
•62057 
or 
•2644 
gave 
8-08 
•61525 
or 
•2664 
•2646  per  Cent. 
•2644  ,, 
•2664 
Mean  . . ’2651  ,, 
100  grains  of  the  original  Solution  contained  '3173  grains  of  Ammonia. 
100  grains  of  the  resulting  Solution  contained  -2651  , , , , 
Loss  by  each  100  grains  of  Solution  . . '0522  ,,  ,, 
The  whole  quantity  of  solution  (3988  grains)  would  therefore  have  lost 
2-0817  grains  of  ammonia,  which,  being  absorbed  by  594  grains  of  soil, 
makes  the  absorption  by  each  100  grains  of  soil  to  be  • 3504. 
Experiment  66. — Mr.  Huxtable’s  soil,  and  standard  solution  of  ammonia. 
The  quantities  in  this  experiment  were  exactly  as  in  the  last,  namely  : — 
