490  Drug  Market  for  1902-1903.  {^^ffi.ST0- 
Acid  hypophosphorous,  50  per  cent.:  Under  strength ;  contained 
excess  of  metallic  impurities  and  calcium  sulphate. 
Alum,  dried :  Eight  samples  proved  to  be  made  from  ammonia 
alum  ;  none  found  made  from  U.  S.  P.  potassium  alum. 
Ammonium  chloride,  pure  :  Not  all  volatilized  ;  gave  pp.  with  am- 
monium  sulphide  and  potassium  ferrocyanide  ;  contained  aluminum 
salt. 
Arrowroot :  Substituted  entirely  by  corn  starch. 
Arrowroot  (American) :  Seventy-five  per  cent,  corn  starch. 
Beeswax  :  (1)  Abnormal  in  all  respects  ;  sp.  gr.,  0*9418  ;  melting 
point,  6i°  C;  acid  number,  1106:  ether  number,  54-44;  con- 
tained 30  per  cent,  paraffin.  (2)  A  mixture  of  beeswax  and  Chinese 
wax.  (3)  Adulterated  with  33  per  cent,  of  Cassava  starch;  freed 
from  the  starch  the  residual  wax  tested  as  pure. 
Cannabis  indica :  (1)  19  per  cent,  below  standard.  (2)  24  per 
cent,  below  standard. 
Cantharides, Russian  :  Low  in  cantharidin ;  powdered:  0-38,  0-36; 
is  often  0-8. 
Carbon  disulphide,  C.  P.:  Contained  0-3  per  cent,  dissolved  sul- 
phur, colored  lead  acetate  solution  and  had  fetid  odor. 
Chloroform,  pure,  for  anaesthesia  :  Rarely  stands  the  barium  hy- 
drate test,  and  from  careless  storage  or  handling  is  not  fit  for  anaes- 
thetic purposes  ;  three  samples  contained  decomposition  products 
— C0C12  and  HC1. 
Coca  leaf:  Contained  18  per  cent,  twigs,  stems,  seed  capsules, 
foreign  leaves,  etc. 
Cochineal :  Contained  30-81  per  cent,  ash,  instead  of  6  per  cent.; 
the  impurity  was  talcum. 
Cochineal,  powdered :  Contained  17-25  per  cent,  ash,  largely  earthy 
matter. 
Colocynth,  Trieste  :  Contained  50  per  cent,  loose  seed,  in  addition 
to  those  in  the  fruit ;  five  cases  gave  45  per  cent,  pulp 
Colocynth,  Spanish  :  Contained  75  per  cent,  loose  seed ;  hard  to 
obtain  with  less  than  40  per  cent,  loose  seed  ;  five  cases  gave  20  per 
cent.  pulp. 
Copaiba  :  Mixed  with  fatty  oil  and  of  pungent,  rancid  odor. 
Cottonroot  bark :  Nearly  half  of  bale  rootlets  and  not  bark. 
Creosote,  beechwood  :  Contained  but  a  trace  of  the  fraction,  boil- 
ing around  205 0  C.  to  2ro°  C,  showing  removal  of  guaiacol. 
