Uses of Praseodymium and Francium
Uses & Benefits
- The main use of Praseodymium include alloys. Praseodymium –Magnesium alloy is used in aircraft engines due to its high strength.
-
This metal is also used while making a permanent magnets.
  
- Francium has no known uses as it has a half life of only 22 minutes.
  
Industrial Uses
Chemical Industry
  
NA
  
Medical Uses
NA
  
NA
  
Other Uses
Alloys
  
NA
  
Biological Properties
  
  
Toxicity
Moderately Toxic
  
NA
  
Present in Human Body
No
  
No
  
In Blood
Not Available
  
0.00 Blood/mg dm-3
  
37
In Bone
Not Available
  
0.00 p.p.m.
  
36