Rapid extraction and spectrophotometric determination of niobium with N‐P‐chlorophenyl‐benzohydroxamic acid

Agrawal, Y. K.; Patel, Sagar

doi:10.1002/bscb.19800890102

Cited by 6 publications

References 6 publications

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Rapid Extraction and Spectrophotometric Determination of Tantalum With N‐P‐Chlorophenylbenzohydroxamic Acid

Agrawal

Patel

1981

Bulletin des Soc Chimique

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A g r a w a l a n d S.A. Patel A n a l y t i c a l L a b o r a t o r i e s , P h a r m a c y Department. F a c u l t y o f T e c h n o l o g y and Engineering. M . S . U n i v e r s i t y o f Baroda, K a l a b h a v a n , B a r o d a -390 001, I n d i a A B S T R A C T A rapid a n d s e n s i t i v e m e t h o d f o r t h e e x t r a c t i o n and s p e c t r o p h o t o m e t r i c d e t e r m i n a t i o n o f t a n t a l u m in p r e s e n c e of n i o b i u m w i t h N -p -c h l o r o p h e n y l b e n z o h yd r o x a m i c a c i d h a s b e e n d e s c r i b e d . T h e t a n t a l u m -N -p -c h l o r o p h e n y l b e n z o h y d r o x a m i c a c i d (Ta-p-C1-BHA) c o m p l e x is e x t r a c t a b l e into t o l u e n e o r b e n z e n e inH C 1 media. ledged. One o f them (S.A.P.) is t h a n k f u l P l o t a o f d i s t r i b u t i o n of to U.C.C., Nev Delhi for t h e a w a r d of J u n i o r R e s e a r c h Fellovship. ( l i g a n d ) Ta-(N-p-C1-BHA) m e t a l D ( H ) a g a i n s t

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Rapid Extraction and Spectrophotometric Determination of Tantalum With N‐P‐Chlorophenylbenzohydroxamic Acid

Agrawal

Patel

1981

Bulletin des Soc Chimique

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Extraction and Spectrophotometric Determination of Palladium(II) with N‐P‐Chlorophenylbenzohydroxamic Acid

Agrawal

Chudasma

1981

Bulletin des Soc Chimique

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A rapid extraction and spectrophotometric determination of palladium with N-p-chlorophenylbenzohydroxamic acid (N-p-CI-BHA) is described. The palladium forms an orange coloured complex with N-p-CI-BHA at pH 3.0. It is extracted with chlorobenrene and has a maximum absorbance at 430 nm. Its molar absorption coefficient is 7 . 0~ lo2 1 mol-' cm-l. The sensitivity of the Pd-p-CI-BHA complex is enhanced by the addition of dithizone and has a maximum absorbance at 520 nm with a molar absorption coefficient of 3 . 0~ lo3 1 mol-l cm-I. The effects of pH. solvents, reagent concentration and diverse ions are studied.

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H

Macdonald¹,

Lingard²

1993

Dictionary of Analytical Reagents

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Rapid extraction and spectrophotometric determination of niobium with N‐P‐chlorophenyl‐benzohydroxamic acid

Cited by 6 publications

References 6 publications

Rapid Extraction and Spectrophotometric Determination of Tantalum With N‐P‐Chlorophenylbenzohydroxamic Acid

Rapid Extraction and Spectrophotometric Determination of Tantalum With N‐P‐Chlorophenylbenzohydroxamic Acid

Extraction and Spectrophotometric Determination of Palladium(II) with N‐P‐Chlorophenylbenzohydroxamic Acid

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