Am.  Jour.  Pharm.  I 
December,  1909.  j 
Progress  in  Pharmacy. 
591 
lodone  is  described  as  a  periodide  of  phthalic  acid  anhydride 
prepared  by  treating  a  solution  of  phthalic  anhydride  in  acetic  ether 
with  a  solution  of  iodine  and  potassium  iodide  and  crystallizing  the 
product  from  suitable  solvents.  Iodone  occurs  in  the  form  of 
dark  green  prismatic  crystals  which  melt  at  1630  C.  When  freshly 
prepared  it  is  odorless,  but  on  standing  traces  of  iodine  are  liberated, 
giving  it  a  faint  odor  of  iodine.  Water  decomposes  iodone  into 
iodine,  potassium  iodide,  and  phthalic  acid. — J  own.  Am.  M.  Assoc., 
1909,  v.  53,  p.  633. 
Isopral  (Berl.  klin.  Wchschr.,  1909,  No.  31). — Wassermeyer 
publishes  favorable  observations  on  the  use  of  isopral,  which  he  be- 
lieves to  be  particularly  useful  in  various  forms  of  colic  and  cramps, 
and  in  cases  of  mania.  A  harmful  effect  of  isopral  on  the  heart 
could  not  be  noted. — Pharm.  Ztg.,  1909,  v.  54,  p.  663. 
Milk  in  Powder  Form. — Lewis  C.  Merrell  discusses  the  drying 
of  milk  and  points  out  a  number  of  economic  reasons  for  the  market- 
ing of  milk  in  powder  form,  and  asserts  that  most  of  these  reasons 
might  be  summed  up  in  one  phrase,  "  A  world  market  for  milk." 
An  even  more  important  reason  for  favoring  this  form  of  milk  is 
a  sanitary  one,  as  with  milk  in  powder  form  it  will  be  possible  to 
create  a  high  standard  of  quality  and  purity  because  the  stability 
of  the  product  will  permit  of  the  enforcement  of  rigid  regulations. — 
Jour.  hid.  and  Eng.  Chem.,  1909,  v.  1,  p.  540. 
P  assizor  a  Incamata. — The  editorial  note  calls  attention  to  the 
rather  curious  combination  of  pharmacologic  action  that  is  claimed 
for  May  pop  {PassiHora  incamata)  in  the  advertising  literature 
sent  out  by  the  maker  of  "  Daniel's  concentrated  tincture  "  of  this 
drug.  It  is  reported  as  being  useful  in  convulsions  and  in  paralysis. 
— Jour.  Am.  M.  Assoc.,  1909,  v.  53,  p.  1204. 
Pergenol  is  a  mixture  of  molecular  quantities  of  sodium  per- 
borate and  sodium  bitartrate  that  liberates  hydrogen  dioxide  and 
boric  acid  on  dissolving  in  water.  Pergenol  occurs  as  a  crystalline 
powder  having  a  slightly  acid  reaction  and  is  said  to  be  quite  stable 
if  kept  dry. — Pharm.  Ztg.,  1909,  v.  54,  p.  294. 
Potassium  dichromate  is  proposed  as  a  general  standard  for 
titrimetric  solutions  by  F.  V.  Bruchhauser,  who  asserts  that  this 
salt  is  always  available  in  chemically  pure  form,  is  comparatively 
stable,  and  can  readily  be  freed  from  even  traces  of  water. — Pharm. 
Ztg.,  1909,  v.  54,  p.  810. 
Sodium  Benzoate  in  Ketchups  and  other  Food  Materials. — 
William  E.  Hillyer  outlines  a  method  for  determining  sodium 
