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Research Paper | Chemistry | Iraq | Volume 7 Issue 8, August 2018 | Popularity: 6.6 / 10
p-Aminobenzoic Acid as a New Reagent in Spectrophotometric Determination of Salbutamol Sulphate Via Oxidative Coupling Reaction
Nabeel S. Othman Ali M. Asaad
Abstract: A simple spectrophotmetic method for the determination of salbutamol sulphate (SBS) in aqueous solution has been suggested. The method is based on the oxidative coupling reaction of SBS with p-aminobenzoic acid (PABA) in an alkaline medium (pH=11.96) in presence of N-chlorosuccinimide (NCS) as oxidizing agent to produce an intense blue colored, water soluble and stable product, which showed maximum absorption at 622 nm. Beers law is obeyed over the range2.0 - 25.0 g. ml-1 of SBS and limit of detection (LOD) of 0.460 g. ml-1, limit of quantitation (LOQ) of 1.536 g. ml-1, a molar absorptivity of 1.828104 l. mol-1. cm-1. and Sandells sensitivity index of 0.0315 g. cm-2. The method has been successfully applied to the determination of SBS in pharmaceutical preparations.
Keywords: spectrophotometry, salbutamol sulphate, p-aminobenzoic acid, oxidative coupling reaction, N-chlorosuccinimide
Edition: Volume 7 Issue 8, August 2018
Pages: 39 - 43
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Chemistry, India, Volume 9 Issue 3, March 2020
Pages: 40 - 44Water Pollution Minimize to Protect the Life of Human Being
Dr. Ratna Roy Pathak
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Chemistry, India, Volume 9 Issue 1, January 2020
Pages: 271 - 274Water Quality Analysis of Narmada River with Reference to Physico-Chemical Parameters at Hoshangabad City, M.P; India
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Chemistry, India, Volume 9 Issue 4, April 2020
Pages: 213 - 222Green Chemistry: As an Alternative Tool for Reducing Pollution
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Chemistry, India, Volume 8 Issue 3, March 2019
Pages: 172 - 176Drinking Water and Its Health Impact
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Chemistry, Nigeria, Volume 7 Issue 12, December 2018
Pages: 233 - 238A Review of Methods Used for Seed Oil Extraction
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