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1979•Bulletin des Sociétés Chimiques BelgesRequires access

Rapid extraction and spectrophotometric determination of lead (II) with N‐p‐chlorophenylbenzohydroxamic acid

Yadvendra Kumar Agrawal, Satish A Patel

Open publisher page 8 citations

Abstract

Abstract A rapid extraction and spectrophotometric determination of lead with N‐p‐chlorophenylbenzohydroxamic acid (N‐p‐Cl‐BHA) is described. The lead forms a yellow coloured complex with N‐p‐Cl‐BHA at pH 9.0 which is extracted with chloroform. The absorption spectra are registered at 388 nm. The molar absorptivity is 4.5 × 102 l mol−1 cm−1. Effect of pH, solvents, electrolytes, reagent concentration and diverse ions are described.

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What this paper is about

Abstract A rapid extraction and spectrophotometric determination of lead with N‐p‐chlorophenylbenzohydroxamic acid (N‐p‐Cl‐BHA) is described. The lead forms a yellow coloured complex with N‐p‐Cl‐BHA at pH 9.0 which is extracted with chloroform. The absorption spectra are registered at 388 nm. The molar absorptivity is 4.5 × 102 l mol−1 cm−1. Effect of pH, solvents, electrolytes, reagent concentration and diverse ions are described.

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Available abstract

Abstract A rapid extraction and spectrophotometric determination of lead with N‐p‐chlorophenylbenzohydroxamic acid (N‐p‐Cl‐BHA) is described. The lead forms a yellow coloured complex with N‐p‐Cl‐BHA at pH 9.0 which is extracted with chloroform. The absorption spectra are registered at 388 nm. The molar absorptivity is 4.5 × 102 l mol−1 cm−1. Effect of pH, solvents, electrolytes, reagent concentration and diverse ions are described.

Key concepts: Molar absorptivity, Chloroform, Reagent, Extraction (chemistry), Chemistry, Absorption (acoustics), Molar ratio, Ion

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