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nitrum

nitrum


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Nitrum  \Ni"trum\,  n.  [L.,  natron.  See  {Niter}.]  (Old  Chem.) 
  Niter. 
 
  {Nitrum  flammans}  [L.,  flaming  niter]  (Old  Chem.),  ammonium 
  nitrate;  --  probably  so  called  because  it  deflagerates 
  when  suddenly  heated. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Trona  \Tro"na\,  n.  [Of  Egyptian  or  North  African  origin.]  (Chem. 
  &  Min.) 
  A  native  double  salt,  consisting  of  a  combination  of  neutral 
  and  acid  sodium  carbonate,  {Na2CO3.2HNaCO3.2H2O},  occurring 
  as  a  white  crystalline  fibrous  deposit  from  certain  soda 
  brine  springs  and  lakes;  --  called  also  {urao},  and  by  the 
  ancients  {nitrum}.