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Spectrophotometric Estimation of Sulfadoxine in Pharmaceutical Preparations

Four simple, sensitive, accurate and rapid visible spectrophotometric methods (A, B, C and D) have been developed for the estimation of sulfadoxine in pharmaceutical preparations. They are based on the diazotization of sulfadoxine with sodium nitrite and hydrochloric acid followed by coupling with N... Full description

Journal Title: E-journal of chemistry 01 January 2010, Vol.7(4), pp.1246-1253
Main Author: Sangita Sharma
Other Authors: Madhurjya Neog , Vipul Prajapati , Hiren Patel , Dipti Dabhi
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0973-4945 ; E-ISSN: 2090-9810 ; DOI: 10.1155/2010/289723
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title: Spectrophotometric Estimation of Sulfadoxine in Pharmaceutical Preparations
format: Article
creator:
  • Sangita Sharma
  • Madhurjya Neog
  • Vipul Prajapati
  • Hiren Patel
  • Dipti Dabhi
subjects:
  • Chemistry
ispartof: E-journal of chemistry, 01 January 2010, Vol.7(4), pp.1246-1253
description: Four simple, sensitive, accurate and rapid visible spectrophotometric methods (A, B, C and D) have been developed for the estimation of sulfadoxine in pharmaceutical preparations. They are based on the diazotization of sulfadoxine with sodium nitrite and hydrochloric acid followed by coupling with N-(1-naphthyl) ethylenediamine dihydrochloride (Method A) to form pink coloured chromogen, diphenylamine (Method B) to form light pink coloured chromogen, chromotropic acid (in alkaline medium) (Method C) to form orange coloured chromogen, Resorcinol (in alkaline medium) (Method D) to form light orange coloured chromogen and exhibiting absorption maxima (λmax) at 536 nm, 524 nm, 520 nm and 496 nm respectively. The coloured chromogens formed are stable for more than 2 h. Beer’s law was obeyed in the concentration range of 1.0 - 5.0 μg/mL in Method A , 5.0 - 25.0 μg/mL in Method B, 5.0 - 25.0 μg/mL in Method C and 4.0 - 8.0 μg/mL in Method D respectively. The results of the three analysis...
language: eng
source:
identifier: ISSN: 0973-4945 ; E-ISSN: 2090-9810 ; DOI: 10.1155/2010/289723
fulltext: fulltext_linktorsrc
issn:
  • 0973-4945
  • 09734945
  • 2090-9810
  • 20909810
url: Link


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descriptionFour simple, sensitive, accurate and rapid visible spectrophotometric methods (A, B, C and D) have been developed for the estimation of sulfadoxine in pharmaceutical preparations. They are based on the diazotization of sulfadoxine with sodium nitrite and hydrochloric acid followed by coupling with N-(1-naphthyl) ethylenediamine dihydrochloride (Method A) to form pink coloured chromogen, diphenylamine (Method B) to form light pink coloured chromogen, chromotropic acid (in alkaline medium) (Method C) to form orange coloured chromogen, Resorcinol (in alkaline medium) (Method D) to form light orange coloured chromogen and exhibiting absorption maxima (λmax) at 536 nm, 524 nm, 520 nm and 496 nm respectively. The coloured chromogens formed are stable for more than 2 h. Beer’s law was obeyed in the concentration range of 1.0 - 5.0 μg/mL in Method A , 5.0 - 25.0 μg/mL in Method B, 5.0 - 25.0 μg/mL in Method C and 4.0 - 8.0 μg/mL in Method D respectively. The results of the three analysis...
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Four simple, sensitive, accurate and rapid visible spectrophotometric methods (A, B, C and D) have been developed for the estimation of sulfadoxine in pharmaceutical preparations. They are based on the diazotization of sulfadoxine with sodium nitrite and hydrochloric acid followed by coupling with N-(1-naphthyl) ethylenediamine dihydrochloride (Method A) to form pink coloured chromogen, diphenylamine (Method B) to form light pink coloured chromogen, chromotropic acid (in alkaline medium) (Method C) to form orange coloured chromogen, Resorcinol (in alkaline medium) (Method D) to form light orange coloured chromogen and exhibiting absorption maxima (λmax) at 536 nm, 524 nm, 520 nm and 496 nm respectively. The coloured chromogens formed are stable for more than 2 h. Beer’s law was obeyed in the concentration range of 1.0 - 5.0 μg/mL in Method A , 5.0 - 25.0 μg/mL in Method B, 5.0 - 25.0 μg/mL in Method C and 4.0 - 8.0 μg/mL in Method D respectively. The results of the three analysis...

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Four simple, sensitive, accurate and rapid visible spectrophotometric methods (A, B, C and D) have been developed for the estimation of sulfadoxine in pharmaceutical preparations. They are based on the diazotization of sulfadoxine with sodium nitrite and hydrochloric acid followed by coupling with N-(1-naphthyl) ethylenediamine dihydrochloride (Method A) to form pink coloured chromogen, diphenylamine (Method B) to form light pink coloured chromogen, chromotropic acid (in alkaline medium) (Method C) to form orange coloured chromogen, Resorcinol (in alkaline medium) (Method D) to form light orange coloured chromogen and exhibiting absorption maxima (λmax) at 536 nm, 524 nm, 520 nm and 496 nm respectively. The coloured chromogens formed are stable for more than 2 h. Beer’s law was obeyed in the concentration range of 1.0 - 5.0 μg/mL in Method A , 5.0 - 25.0 μg/mL in Method B, 5.0 - 25.0 μg/mL in Method C and 4.0 - 8.0 μg/mL in Method D respectively. The results of the three analysis...

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