Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine

A spectrophotometric method has been developed for the determination of aminophenol isomers (o-aminophenol, m-aminophenol and p-aminophenol). The method is based on oxidative coupling reaction of these compounds with 4-aminoantipyrine (4-AAP) in the presence of cupper sulphate as oxidizing agent in...
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Gespeichert in:

Autor*in:	Reem Al-Luhaiby [verfasserIn]

Format:	E-Artikel
Sprache:	Arabisch ; Englisch

Erschienen:	2020

Schlagwörter:	: oxidative coupling,, ,،,؛spectrophotometry,, ,،,؛o-aminophenol,, ,،,؛m-aminophenol

Übergeordnetes Werk:	In: مجلة التربية والعلم - College of Education for Pure Sciences, 2019, 29(2020), 3, Seite 68-84
Übergeordnetes Werk:	volume:29 ; year:2020 ; number:3 ; pages:68-84

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.33899/edusj.2020.126543.1041

Katalog-ID:	DOAJ017648467

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520			\|a A spectrophotometric method has been developed for the determination of aminophenol isomers (o-aminophenol, m-aminophenol and p-aminophenol). The method is based on oxidative coupling reaction of these compounds with 4-aminoantipyrine (4-AAP) in the presence of cupper sulphate as oxidizing agent in alkaine medium forming a reddish brown colour. The products show maximum absorption at 440 nm, 480 nm and 445 nm for o-aminophenol, m-aminophenol and p-aminophenol respectively. The molar absorptivities are 8.632×103 ,9.33×103 and 9.1449×103 l.mol-1.cm-1 for concentrations obeyed Beer’s law in the range 1-20, 1-24 and 1-7 μg.ml-1 for the above compounds respectively. The average recovery was ranged between 98.38% and 101.01% with relative standard deviation < 1.6 for all the studied compounds. The 4-AAP products were formed in the ratio of 1:2 aminophenol isomers : 4-AAP. The stability constant of the products was 7.4 ×108, 3.27×108 and 9.94×107 l2.mol-2 for o-aminophenol, m-aminophenol and p-aminophenol products respectively indicating the good stability of these products.
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spelling	10.33899/edusj.2020.126543.1041 doi (DE-627)DOAJ017648467 (DE-599)DOAJdd9feaace082476bbfc65dfcac7a6c7d DE-627 ger DE-627 rakwb ara eng Q1-390 Reem Al-Luhaiby verfasserin aut Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A spectrophotometric method has been developed for the determination of aminophenol isomers (o-aminophenol, m-aminophenol and p-aminophenol). The method is based on oxidative coupling reaction of these compounds with 4-aminoantipyrine (4-AAP) in the presence of cupper sulphate as oxidizing agent in alkaine medium forming a reddish brown colour. The products show maximum absorption at 440 nm, 480 nm and 445 nm for o-aminophenol, m-aminophenol and p-aminophenol respectively. The molar absorptivities are 8.632×103 ,9.33×103 and 9.1449×103 l.mol-1.cm-1 for concentrations obeyed Beer’s law in the range 1-20, 1-24 and 1-7 μg.ml-1 for the above compounds respectively. The average recovery was ranged between 98.38% and 101.01% with relative standard deviation < 1.6 for all the studied compounds. The 4-AAP products were formed in the ratio of 1:2 aminophenol isomers : 4-AAP. The stability constant of the products was 7.4 ×108, 3.27×108 and 9.94×107 l2.mol-2 for o-aminophenol, m-aminophenol and p-aminophenol products respectively indicating the good stability of these products. : oxidative coupling,, ,،,؛spectrophotometry,, ,،,؛o-aminophenol,, ,،,؛m-aminophenol Education L Science (General) In مجلة التربية والعلم College of Education for Pure Sciences, 2019 29(2020), 3, Seite 68-84 (DE-627)734147023 (DE-600)2697544-0 26642530 nnns volume:29 year:2020 number:3 pages:68-84 https://doi.org/10.33899/edusj.2020.126543.1041 kostenfrei https://doaj.org/article/dd9feaace082476bbfc65dfcac7a6c7d kostenfrei https://edusj.mosuljournals.com/article_164401_590c4a1e0cb6eff2091b674c27d54ef2.pdf kostenfrei https://doaj.org/toc/1812-125X Journal toc kostenfrei https://doaj.org/toc/2664-2530 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 29 2020 3 68-84
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The method is based on oxidative coupling reaction of these compounds with 4-aminoantipyrine (4-AAP) in the presence of cupper sulphate as oxidizing agent in alkaine medium forming a reddish brown colour. The products show maximum absorption at 440 nm, 480 nm and 445 nm for o-aminophenol, m-aminophenol and p-aminophenol respectively. The molar absorptivities are 8.632×103 ,9.33×103 and 9.1449×103 l.mol-1.cm-1 for concentrations obeyed Beer’s law in the range 1-20, 1-24 and 1-7 μg.ml-1 for the above compounds respectively. The average recovery was ranged between 98.38% and 101.01% with relative standard deviation < 1.6 for all the studied compounds. The 4-AAP products were formed in the ratio of 1:2 aminophenol isomers : 4-AAP. 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callnumber-first	Q - Science
author	Reem Al-Luhaiby
spellingShingle	Reem Al-Luhaiby misc Q1-390 misc : oxidative coupling,, misc ,،,؛spectrophotometry,, misc ,،,؛o-aminophenol,, misc ,،,؛m-aminophenol misc Education misc L misc Science (General) Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine
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topic_title	Q1-390 Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine : oxidative coupling ,،,؛spectrophotometry ,،,؛o-aminophenol ,،,؛m-aminophenol
topic	misc Q1-390 misc : oxidative coupling,, misc ,،,؛spectrophotometry,, misc ,،,؛o-aminophenol,, misc ,،,؛m-aminophenol misc Education misc L misc Science (General)
topic_unstemmed	misc Q1-390 misc : oxidative coupling,, misc ,،,؛spectrophotometry,, misc ,،,؛o-aminophenol,, misc ,،,؛m-aminophenol misc Education misc L misc Science (General)
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title	Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine
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title_full	Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine
author_sort	Reem Al-Luhaiby
journal	مجلة التربية والعلم
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doi_str_mv	10.33899/edusj.2020.126543.1041
title_sort	spectrophotometric determination of aminophenol isomers via oxidative coupling reaction with 4-aminoantipyrine
callnumber	Q1-390
title_auth	Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine
abstract	A spectrophotometric method has been developed for the determination of aminophenol isomers (o-aminophenol, m-aminophenol and p-aminophenol). The method is based on oxidative coupling reaction of these compounds with 4-aminoantipyrine (4-AAP) in the presence of cupper sulphate as oxidizing agent in alkaine medium forming a reddish brown colour. The products show maximum absorption at 440 nm, 480 nm and 445 nm for o-aminophenol, m-aminophenol and p-aminophenol respectively. The molar absorptivities are 8.632×103 ,9.33×103 and 9.1449×103 l.mol-1.cm-1 for concentrations obeyed Beer’s law in the range 1-20, 1-24 and 1-7 μg.ml-1 for the above compounds respectively. The average recovery was ranged between 98.38% and 101.01% with relative standard deviation < 1.6 for all the studied compounds. The 4-AAP products were formed in the ratio of 1:2 aminophenol isomers : 4-AAP. The stability constant of the products was 7.4 ×108, 3.27×108 and 9.94×107 l2.mol-2 for o-aminophenol, m-aminophenol and p-aminophenol products respectively indicating the good stability of these products.
abstractGer	A spectrophotometric method has been developed for the determination of aminophenol isomers (o-aminophenol, m-aminophenol and p-aminophenol). The method is based on oxidative coupling reaction of these compounds with 4-aminoantipyrine (4-AAP) in the presence of cupper sulphate as oxidizing agent in alkaine medium forming a reddish brown colour. The products show maximum absorption at 440 nm, 480 nm and 445 nm for o-aminophenol, m-aminophenol and p-aminophenol respectively. The molar absorptivities are 8.632×103 ,9.33×103 and 9.1449×103 l.mol-1.cm-1 for concentrations obeyed Beer’s law in the range 1-20, 1-24 and 1-7 μg.ml-1 for the above compounds respectively. The average recovery was ranged between 98.38% and 101.01% with relative standard deviation < 1.6 for all the studied compounds. The 4-AAP products were formed in the ratio of 1:2 aminophenol isomers : 4-AAP. The stability constant of the products was 7.4 ×108, 3.27×108 and 9.94×107 l2.mol-2 for o-aminophenol, m-aminophenol and p-aminophenol products respectively indicating the good stability of these products.
abstract_unstemmed	A spectrophotometric method has been developed for the determination of aminophenol isomers (o-aminophenol, m-aminophenol and p-aminophenol). The method is based on oxidative coupling reaction of these compounds with 4-aminoantipyrine (4-AAP) in the presence of cupper sulphate as oxidizing agent in alkaine medium forming a reddish brown colour. The products show maximum absorption at 440 nm, 480 nm and 445 nm for o-aminophenol, m-aminophenol and p-aminophenol respectively. The molar absorptivities are 8.632×103 ,9.33×103 and 9.1449×103 l.mol-1.cm-1 for concentrations obeyed Beer’s law in the range 1-20, 1-24 and 1-7 μg.ml-1 for the above compounds respectively. The average recovery was ranged between 98.38% and 101.01% with relative standard deviation < 1.6 for all the studied compounds. The 4-AAP products were formed in the ratio of 1:2 aminophenol isomers : 4-AAP. The stability constant of the products was 7.4 ×108, 3.27×108 and 9.94×107 l2.mol-2 for o-aminophenol, m-aminophenol and p-aminophenol products respectively indicating the good stability of these products.
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title_short	Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine
url	https://doi.org/10.33899/edusj.2020.126543.1041 https://doaj.org/article/dd9feaace082476bbfc65dfcac7a6c7d https://edusj.mosuljournals.com/article_164401_590c4a1e0cb6eff2091b674c27d54ef2.pdf https://doaj.org/toc/1812-125X https://doaj.org/toc/2664-2530
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up_date	2024-07-04T02:23:01.916Z
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Spectrophotometric Determination of Aminophenol Isomers Via Oxidative Coupling Reaction with 4-Aminoantipyrine

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