Solid phase extraction of trace elements
V Camel - Spectrochimica Acta Part B: Atomic Spectroscopy, 2003 - Elsevier
Conclusion The use of SPE procedures has been growing in the past few years due to their
advantages offered for trace element determinations, namely conservation of species, good …
advantages offered for trace element determinations, namely conservation of species, good …
Electroanalysis with pure, chemically modified and sol‐gel‐derived silica‐based materials
A Walcarius - … An International Journal Devoted to Fundamental …, 2001 - Wiley Online Library
An overview is presented dealing with the use of pure, chemically modified, and sol‐gel‐
derived silicates for designing electrode materials that are then exploited in various …
derived silicates for designing electrode materials that are then exploited in various …
Coordination polymers and molecular structures among complexes of mercury (II) halides with selected 1-benzoylthioureas
Abstract Six new 1-benzoyl-3-phenylthiourea and 1-benzoyl-3-(2-methylphenyl) thiourea
complexes of mercury (II) were obtained in the reactions of the ligands with HgX 2 in …
complexes of mercury (II) were obtained in the reactions of the ligands with HgX 2 in …
Chemical modification of silica surface by immobilization of functional groups for extractive concentration of metal ions
Increased utilization of mechanically stable synthetic matrices particularly silica gel as a
solid support and its surface modification either by impregnation of organic ligands directly …
solid support and its surface modification either by impregnation of organic ligands directly …
Modification of an Iranian clinoptilolite nano-particles by hexadecyltrimethyl ammonium cationic surfactant and dithizone for removal of Pb (II) from aqueous solution
M Anari-Anaraki, A Nezamzadeh-Ejhieh - Journal of Colloid and Interface …, 2015 - Elsevier
Natural clinoptilolite tuff was mechanically converted to micro (MCP) and nano (NCP)
particles. The MCP and NCP powders were respectively modified with hexadecyltrimethyl …
particles. The MCP and NCP powders were respectively modified with hexadecyltrimethyl …
Highly selective and sensitive preconcentration of mercury ion and determination by cold vapor atomic absorption spectroscopy
A simple and selective method based on a sodium dodecyl sulfate (SDS)–coated
chromosorb P modified by 2‐mercaptobenzoxazole (MBO) has been developed to …
chromosorb P modified by 2‐mercaptobenzoxazole (MBO) has been developed to …
The determination of some heavy metals in food samples by flame atomic absorption spectrometry after their separation-preconcentration on bis salicyl aldehyde, 1, 3 …
A sensitive and simple method for the simultaneous preconcentration of Cr3+, Fe3+, Cu2+,
Ni2+, Co2+ and Zn2+ in real samples has been reported. The method is based on the …
Ni2+, Co2+ and Zn2+ in real samples has been reported. The method is based on the …
Determination of mercury in water and fish samples by cold vapor atomic absorption spectrometry after solid phase extraction on agar modified with 2 …
N Pourreza, K Ghanemi - Journal of Hazardous Materials, 2009 - Elsevier
A novel solid phase extraction method for the determination of mercury has been developed.
The Hg (II) ions were retained on a mini-column packed with agar powder modified with 2 …
The Hg (II) ions were retained on a mini-column packed with agar powder modified with 2 …
Adsorption of mercury (II) on dithizone-immobilized natural zeolite
Adsorption of Hg (II) ions onto selective adsorbent of dithizone-immobilized natural zeolite
(DIZ) from Wonosari, Yogyakarta, Indonesia has been investigated in batch mode. Some …
(DIZ) from Wonosari, Yogyakarta, Indonesia has been investigated in batch mode. Some …
Highly efficient ultrasonic-assisted pre-concentration and simultaneous determination of trace amounts of Pb (II) and Cd (II) ions using modified magnetic natural …
T Amiri-Yazani, R Zare-Dorabei, M Rabbani… - Microchemical …, 2019 - Elsevier
In this work, the synthesis of the magnetic natural clinoptilolite (CP) zeolite modified by
cetyltrimethyl ammonium bromide hexadecyl trimethyl ammonium bromide (CTAB) and …
cetyltrimethyl ammonium bromide hexadecyl trimethyl ammonium bromide (CTAB) and …