UB Paderborn / Katalog / Suche / in CDI

Impregnated multiwalled carbon nanotubes as efficient sorbent for the solid phase extraction of trace amounts of heavy metal ions in food and water samples

Food chemistry, 2016-07, Vol.202, p.409-416

2016

Volltextzugriff (PDF)

A new coprecipitation method without carrier element for separation and preconcentration of some metal ions at trace levels in water and food samples

Talanta (Oxford), 2016-01, Vol.146, p.435-441

Gouda, Ayman A.

2016

Volltextzugriff (PDF)

Cloud point extraction, preconcentration and spectrophotometric determination of trace amount of manganese(II) in water and food samples

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 2014-10, Vol.131, p.138-144

Gouda, Ayman A.

2014

Volltextzugriff (PDF)

Cloud-point extraction, preconcentration and spectrophotometric determination of trace quantities of copper in food, water and biological samples

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 2014, Vol.120, p.88-96

2014

Volltextzugriff (PDF)

Selective Recovery of Cadmium, Cobalt, and Nickel from Spent Ni–Cd Batteries Using Adogen® 464 and Mesoporous Silica Derivatives

International journal of molecular sciences, 2022-08, Vol.23 (15), p.8677

2022

Volltextzugriff (PDF)

Recovery of W(VI) from Wolframite Ore Using New Synthetic Schiff Base Derivative

International journal of molecular sciences, 2023-04, Vol.24 (8), p.7423

2023

Volltextzugriff (PDF)

An efficient ionic liquid-based cloud point extraction to preconcentrate mercury in environmental samples and hair of occupational workers before spectrophotometric detection

Bulletin of the Chemical Society of Ethiopia, 2022-10, Vol.36 (4), p.767-778

2022

Volltextzugriff (PDF)

A Novel Triazole Schiff Base Derivatives for Remediation of Chromium Contamination from Tannery Waste Water

Molecules (Basel, Switzerland), 2022-08, Vol.27 (16), p.5087

2022

Volltextzugriff (PDF)

Development of an efficient dispersive liquid-liquid microextraction approach combined with spectrophotometry for determination of antiviral drug, valacyclovir HCl in pharmaceutical formulations

Bulletin of the Chemical Society of Ethiopia, 2023-09, Vol.37 (3), p.579-592

2023

Volltextzugriff (PDF)

Ultrasound-assisted dispersive liquid-liquid microextraction approach for preconcentration of acyclovir as antiviral drug in dosage forms prior to spectrophotometric determination

Bulletin of the Chemical Society of Ethiopia, 2023-12, Vol.37 (5), p.1081-1092

2023

Volltextzugriff (PDF)

Efficient Recovery of Rare Earth Elements and Zinc from Spent Ni–Metal Hydride Batteries: Statistical Studies

Nanomaterials (Basel, Switzerland), 2022-07, Vol.12 (13), p.2305

2022

Volltextzugriff (PDF)

Highly Efficient Gold Nano-Flower Optical Biosensor Doped in a Sol–Gel/PEG Matrix for the Determination of a Calcitonin Biomarker in Different Serum Samples

ACS omega, 2020-03, Vol.5 (11), p.5629-5637

2020

Volltextzugriff (PDF)

High performance liquid chromatography for simultaneous determination of xipamide, triamterene and hydrochlorothiazide in bulk drug samples and dosage forms

Acta Pharmaceutica, 2016-03, Vol.66 (1), p.109-118

2016

Volltextzugriff (PDF)

Utility of solid-phase spectrophotometry for determination of dissolved iron(II) and iron(III) using 2,3-dichloro-6-(3-carboxy-2-hydroxy-1-naphthylazo)quinoxaline

Talanta (Oxford), 2008-09, Vol.76 (5), p.1241-1245

2008

Volltextzugriff (PDF)

A New Partially Phosphorylated Polyvinyl Phosphate-PPVP Composite: Synthesis and Its Potentiality for Zr (IV) Extraction from an Acidic Medium

Separations, 2022-11, Vol.9 (11), p.382

2022

Volltextzugriff (PDF)

Solid-phase extraction using multiwalled carbon nanotubes and quinalizarin for preconcentration and determination of trace amounts of some heavy metals in food, water and environmental samples

International journal of environmental analytical chemistry, 2014-09, Vol.94 (12), p.1210-1222

Gouda, Ayman A.

2014

Volltextzugriff (PDF)

Design of a novel optical sensor for determination of trace amounts of tin in food and in environmental samples

International journal of environmental analytical chemistry, 2022-12, Vol.102 (18), p.7313-7328

2022

Volltextzugriff (PDF)

Highly Selective Optical Sensor Eu (TTA) 3 Phen Embedded in Poly Methylmethacrylate for Assessment of Total Prostate Specific Antigen Tumor Marker in Male Serum Suffering Prostate Diseases

Frontiers in chemistry, 2020-11, Vol.8, p.561052

2020

Volltextzugriff (PDF)

Preconcentration and separation of Cd(II), Co(II), Cu(II), Ni(II), and Pb(II) in environmental samples on cellulose nitrate membrane filter prior to their flame atomic absorption spectroscopy determinations

International journal of environmental analytical chemistry, 2023-01, Vol.103 (2), p.364-377

2023

Volltextzugriff (PDF)

Spectrophotometric Determination of Gemifloxacin Mesylate, Moxifloxacin Hydrochloride, and Enrofloxacin in Pharmaceutical Formulations Using Acid Dyes

Journal of analytical methods in chemistry, 2014-01, Vol.2014, p.286379-16

2014

Volltextzugriff (PDF)

A new carrier element-free coprecipitation method with 3-benzyl-4-p-nitrobenzylidenamino-4,5-dihydro-1,2,4-triazole-5-thiol for separation, preconcentration, and determination of some metal ions in water and food samples

International journal of environmental analytical chemistry, 2022-12, Vol.102 (18), p.6270-6281

2022

Volltextzugriff (PDF)

Spectrophotometric determination of hyoscine butylbromide and famciclovir in pure form and in pharmaceutical formulations

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 2008-09, Vol.70 (4), p.785-792

2008

Volltextzugriff (PDF)

Development of environmentally friendly catalyst Ag-ZnO@cellulose acetate derived from discarded cigarette butts for reduction of organic dyes and its antibacterial applications

International journal of biological macromolecules, 2024-02, Vol.258 (Pt 1), p.128890-128890, Article 128890

2024

Volltextzugriff (PDF)

Utility of certain σ- and π-acceptors for the spectrophotometric determination of ganciclovir in pharmaceutical formulations

Talanta (Oxford), 2009-11, Vol.80 (1), p.151-157

Gouda, Ayman A.

2009

Volltextzugriff (PDF)

Simultaneous preconcentration and determination of zirconium in environmental samples using ultrasound-assisted ionic liquid based dispersive liquid-liquid microextraction combined with spectrophotometry

International journal of environmental analytical chemistry, 2023-12, Vol.103 (16), p.4225-4238

2023

Volltextzugriff (PDF)

Menü

Weitere Dienste

Einstellungen

Impregnated multiwalled carbon nanotubes as efficient sorbent for the solid phase extraction of trace amounts of heavy metal ions in food and water samples

A new coprecipitation method without carrier element for separation and preconcentration of some metal ions at trace levels in water and food samples

Cloud point extraction, preconcentration and spectrophotometric determination of trace amount of manganese(II) in water and food samples

Cloud-point extraction, preconcentration and spectrophotometric determination of trace quantities of copper in food, water and biological samples

Selective Recovery of Cadmium, Cobalt, and Nickel from Spent Ni–Cd Batteries Using Adogen® 464 and Mesoporous Silica Derivatives

Recovery of W(VI) from Wolframite Ore Using New Synthetic Schiff Base Derivative

An efficient ionic liquid-based cloud point extraction to preconcentrate mercury in environmental samples and hair of occupational workers before spectrophotometric detection

A Novel Triazole Schiff Base Derivatives for Remediation of Chromium Contamination from Tannery Waste Water

Development of an efficient dispersive liquid-liquid microextraction approach combined with spectrophotometry for determination of antiviral drug, valacyclovir HCl in pharmaceutical formulations

Ultrasound-assisted dispersive liquid-liquid microextraction approach for preconcentration of acyclovir as antiviral drug in dosage forms prior to spectrophotometric determination

Efficient Recovery of Rare Earth Elements and Zinc from Spent Ni–Metal Hydride Batteries: Statistical Studies

Highly Efficient Gold Nano-Flower Optical Biosensor Doped in a Sol–Gel/PEG Matrix for the Determination of a Calcitonin Biomarker in Different Serum Samples

High performance liquid chromatography for simultaneous determination of xipamide, triamterene and hydrochlorothiazide in bulk drug samples and dosage forms

Utility of solid-phase spectrophotometry for determination of dissolved iron(II) and iron(III) using 2,3-dichloro-6-(3-carboxy-2-hydroxy-1-naphthylazo)quinoxaline

A New Partially Phosphorylated Polyvinyl Phosphate-PPVP Composite: Synthesis and Its Potentiality for Zr (IV) Extraction from an Acidic Medium

Solid-phase extraction using multiwalled carbon nanotubes and quinalizarin for preconcentration and determination of trace amounts of some heavy metals in food, water and environmental samples

Design of a novel optical sensor for determination of trace amounts of tin in food and in environmental samples

Highly Selective Optical Sensor Eu (TTA) 3 Phen Embedded in Poly Methylmethacrylate for Assessment of Total Prostate Specific Antigen Tumor Marker in Male Serum Suffering Prostate Diseases

Preconcentration and separation of Cd(II), Co(II), Cu(II), Ni(II), and Pb(II) in environmental samples on cellulose nitrate membrane filter prior to their flame atomic absorption spectroscopy determinations

Spectrophotometric Determination of Gemifloxacin Mesylate, Moxifloxacin Hydrochloride, and Enrofloxacin in Pharmaceutical Formulations Using Acid Dyes

A new carrier element-free coprecipitation method with 3-benzyl-4-p-nitrobenzylidenamino-4,5-dihydro-1,2,4-triazole-5-thiol for separation, preconcentration, and determination of some metal ions in water and food samples

Spectrophotometric determination of hyoscine butylbromide and famciclovir in pure form and in pharmaceutical formulations

Development of environmentally friendly catalyst Ag-ZnO@cellulose acetate derived from discarded cigarette butts for reduction of organic dyes and its antibacterial applications

Utility of certain σ- and π-acceptors for the spectrophotometric determination of ganciclovir in pharmaceutical formulations

Simultaneous preconcentration and determination of zirconium in environmental samples using ultrasound-assisted ionic liquid based dispersive liquid-liquid microextraction combined with spectrophotometry

Suchergebnisse filtern