308  Annual  Report  for  1910  of  the  Consulting  Chemist. 
Where  the  above  is  obtainable  for  a few  shillings  per  ton, 
it  is  quite  worth  getting,  when  near  at  hand,  and  especially 
when  lime  is  required  on  the  land. 
8.  Nitrate  of  Lime. 
A sample  of  this  sent  to  me  gave  the  following  results  : — 
Percentage  of — 
Lime 26-85 
Nitrogen  ........  1338 
equal  to  ammonia  ......  16’25 
The  price  of  this  was  91.  7s.  6d.  per  ton.  It  was  genuine, 
but  was  found  to  be  decidedly  lumpy  and  moist. 
9.  Soot. 
The  variable  quality  of  this  material  has  often  been  men- 
tioned. A sample  sent  me  for  analysis  gave  : — 
Percentage  of — 
Nitrogen  ........  203 
equal  to  ammonia  ......  2'46 
Sand 24-64 
The  price  of  this  was  44s.  per  ton.  Quite  one-quarter  was 
useless  matter,  and  the  price  was  far  too  high.  A good  sample 
of  soot  should  yield  fully  4 per  cent,  of  ammonia. 
10.  Salt. 
(a)  Salt  from  Fish  Curing. 
(b)  Salt  from  Skin  Curing. 
Analyses  of  the  above  were  as  follows  : — 
Moisture  ..... 
853 
501 
1 Organic  matter 
5-25 
2-33 
Phosphate  of  lime  . 
•44 
•14 
Chloride  of  sodium,  &c.  . 
. 85-64 
9212 
Sand 
•14 
•40 
• 
100-00 
100-00 
1 Containing  nitrogen  . 
13 
•23 
equal  to  ammonia. 
•16 
•28 
It  has  often  been  maintained  that  salt  which  has  been  used 
for  such  manufacturing  purposes  as  the  above  has  thereby 
derived  considerable  value. 
The  above  analyses,  while  indicating  that  in  both  cases 
there  has  been  a small  addition  of  nitrogen  and  of  phosphates, 
