Interaction of Rare Earth Metal Ions with Phenyl Acetohydroxamic Acid and N-Hydroxyethylethylenediaminetriacetic Acid

✍ Scribed by M. Janardhan Rao; B. Sethuram; T. Navaneeth Rao

• Publisher: Wiley (John Wiley & Sons)
• Year: 2010
• Weight: 92 KB
• Volume: 96
• Category: Article
• ISSN: 0037-9646
• DOI: 10.1002/bscb.19870960310

✦ Synopsis

Equilibrium s t u d i e s of hydroxamic a c i d s w i t h 3d t r a n s i t i o n metal i o n s have been r e p o r t e d by US^-^, h e r e we r e p o r t b i n a r y complex formation of phenylacetohydroxamic a c i d and mixed complex formation of HEDTA and phenylacetohydroxamic a c i d (PAHA) with some rare e a r t h metal i o n s such a s La(III), C e ( I I I ) , P r ( I I I ) , N d ( I I I ) , Sm(II1) , Gd(II1) and D y ( 1 I I ) .

Methods

Metal n i t r a t e s o l u t i o n s were prepared and t h e i r c o n c e n t r a t i o n s e s t i m a t e d by s t a n d a r d methods. A l l t h e chemicals were o b t a i n e d from Sigma (USA), BDH