Document Details

Document Type : Thesis 
Document Title :
Novel Methods for Chromatographic Separation and Determination of Inorganic and Organic Complex Species in Different Matrices
أستحداث طرق فصل كروماتوجرافيا و تقدير بعض المكونات غير العضوية و العضوية في اوساط معقدة مختلفة
 
Subject : Faculty of Sciences 
Document Language : Arabic 
Abstract : The interest of researchers dealing with toxicity of materials is mostly related to trace heavy metal ions and organic solvents. Similarly, studies dealing with developing of novel methods for precise analysis of biothiols like glutathione, cysteine, etc are predominated by selection of ion pairing reagent which can be used as a fluorescence probe due to its exceptional properties. Thus, the work in this study was focused on: 1. Studying the retention profile, kinetics, thermodynamic and sorption isotherms of a mercury retention from aqueous solution by treated 4-(2-thiazolylazo) resorcinol (TAR) polyurethane foam (PUF) solid phase extractor (SPE). Chromatographic separation of Hg2+ from aqueous media by reagent treated PUFs as low cost and effective solid sorbent was achieved successfully by sorbent packed column. 2. Developing a novel ion pairing based conventional liquid-liquid extraction for spectrofluorimetric determination and chemical speciation of mercury(II) species in water samples. Extraction mechanism and stoichiometry and thermodynamics characterizations of the ternary complex ion associate of [HgI4]2- and the probe along with selectivity, method validation studies and analytical applications are performed. 3. Developing a novel ion pairing based auxiliary solvent based dispersive liquid-liquid microextraction for trace determination and chemical speciation of mercury(II) in water samples. Extraction mechanism and stoichiometry and thermodynamics characterizations of the complex ion associate along with selectivity and method validation studies. Fluorescence quenching mechanism and various parameters like apparent stability and binding constants were computed. 4. Emergent an ultra-sensitive off/on fluorescent probe for sequential determination of mercury(II) and biothiols using ultrasound-assisted dispersive liquid-liquid microextraction is included. 
Supervisor : Prof. Saleh Bahaffi 
Thesis Type : Doctorate Thesis 
Publishing Year : 1440 AH
2018 AD 
Co-Supervisor : Prof. Mohammad El-Shahawi 
Added Date : Thursday, September 27, 2018 

Researchers

Researcher Name (Arabic)Researcher Name (English)Researcher TypeDr GradeEmail
ذياب علي الإريانيAl-Eryani, Diab AliResearcherDoctorate 

Files

File NameTypeDescription
 43736.pdf pdf 

Back To Researches Page