1981•Bulletin des Sociétés Chimiques BelgesRequires access

Extraction and Spectrophotometric Determination of Zirconium with N‐P‐Chlorophenylbenzohydroxamic Acid and Morin

Yadvendra Kumar Agrawal, Satish A Patel

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Abstract

Abstract A spectrophotometric and a fluorimetric method for the determination of zirconium with N‐p‐chlorophenylbenzohydroxamic acid and morin have been developed. The procedure is based on the extraction of zirconium with N‐p‐Cl‐BHA into iso‐amyl alcohol from 0.2‐0.5 N H2SO4 and then forming its complex with morin. The greenish yellow complex has a maximum absorbance at 420 nm with a molar absorptivity 3.5×104 1 mol−1 cm−1 and gives the fluorescence. The intensity of the Zr‐p‐Cl‐BHA‐morin complex can be enhanced by the addition of ammonium carbonate and the molar absorptivity becomes 1.3×105 1 mol−1 cm−1 at 410 nm.

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Abstract A spectrophotometric and a fluorimetric method for the determination of zirconium with N‐p‐chlorophenylbenzohydroxamic acid and morin have been developed. The procedure is based on the extraction of zirconium with N‐p‐Cl‐BHA into iso‐amyl alcohol from 0.2‐0.5 N H2SO4 and then forming its complex with morin. The greenish yellow complex has a maximum absorbance at 420 nm with a molar absorptivity 3.5×104 1 mol−1 cm−1 and gives the fluorescence. The intensity of the Zr‐p‐Cl‐BHA‐morin complex can be enhanced by the addition of ammonium carbonate and the molar absorptivity becomes 1.3×105 1 mol−1 cm−1 at 410 nm.

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Available abstract

Abstract A spectrophotometric and a fluorimetric method for the determination of zirconium with N‐p‐chlorophenylbenzohydroxamic acid and morin have been developed. The procedure is based on the extraction of zirconium with N‐p‐Cl‐BHA into iso‐amyl alcohol from 0.2‐0.5 N H2SO4 and then forming its complex with morin. The greenish yellow complex has a maximum absorbance at 420 nm with a molar absorptivity 3.5×104 1 mol−1 cm−1 and gives the fluorescence. The intensity of the Zr‐p‐Cl‐BHA‐morin complex can be enhanced by the addition of ammonium carbonate and the molar absorptivity becomes 1.3×105 1 mol−1 cm−1 at 410 nm.

Key concepts: Morin, Molar absorptivity, Zirconium, Absorbance, Chemistry, Nuclear chemistry, Extraction (chemistry), Fluorescence

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Extraction and Spectrophotometric Determination of Zirconium with N‐P‐Chlorophenylbenzohydroxamic Acid and Morin — Research Paper | ScholarLens