1. 
   Phenanthroline
   Phe·nan'thro·line noun [ Phenanthr ene + quin oline .] (Chemistry) Either of two metameric nitrogenous hydrocarbon bases, C ₁₂ H ₈ N ₂ , analogous to phenanthridine, but more highly nitrogenized.
   Found op http://www.encyclo.co.uk/webster/P/71
   
   
2. 
   phenanthroline
   <chemistry> Either of two metameric nitrogenous hydrocarbon bases, C12H8N2, analogous to phenanthridine, but more highly nitrogenised. ... Origin: Phenanthrene + quinoline. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?phenanthroline
   
   
3. 
   Phenanthroline
   • (n.) Either of two metameric nitrogenous hydrocarbon bases, C12H8N2, analogous to phenanthridine, but more highly nitrogenized.
   Found op http://thinkexist.com/dictionary/meaning/phenanthroline/
   
   
4. 
   Phenanthroline
   Phenanthroline (phen) is a heterocyclic organic compound. As a bidentate ligand in coordination chemistry, it forms strong complexes with most metal ions. In terms of its coordination properties, phen is similar to 2,2`-bipyridine (bipy). ==Synthesis== Phenanthroline may be prepared by two successi...
   Found op http://en.wikipedia.org/wiki/Phenanthroline
   
   

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