A. Farag

发表

Liquid-liquid sandwich-transfer extraction: optimization and analytical use

Tibor Braun, T. Braun, A. Farag, 1978 .

Quantum Chemical Interpretation of the Photoinitiated Autoxidation of Sulphite Catalysed by Ferric Ions

A. El-wakil, A. Farag, M. S. Soliman, 1983 .

Sorption characteristics and chromatographic separation of gold (I and III) from silver and base metal ions using polyurethane foams.

M. El-Shahawi, A. Farag, M. Soliman, 2007, Analytica chimica acta.

Synthesis and Characterization of Tb(III)-acetylacetone complex and its analytical application for hydrochlorothiazide determination in pharmaceutical preparation and biological fluids

M. Attia, A. Youssef, A. Farag, 2015 .

Polyurethane-pyridylazonaphthol foams in the preconcentration and separation of trace elements

T. Braun, A. Farag, M. Maloney, 1977 .

Clinical-Chemical Study of Urinary Stones in Saudi Arabia — I. Uric Acid Stones

A. Farag, R. E. Abdel-Halim, A. Baghlaf, 1985 .

Utility of p and s-Acceptor Reagents for the Spectrophotometric Determination of Cefotaxime Sodium Antibacterial Drug via Charge Transfer Complex Formation

A. Farag, G. Mohamed, E. Y. Frag, 2011 .

Polyurethane foams and microspheres in analytical chemistry : Improved liquid-solid, gas-solid and liquid-liquid contact via a new geometry of the solid phase

T. Braun, A. Farag, 1978 .

Extraction, Separation, and Determination of Nickel and Bismuth with 1-(2-Pyridylazo)-2-naphthol in Aqueous Thiocyanate Media

A. Farag, E. El-Nemma, 1994 .

Detection, quantitative collection and semiquantitative determination of bismuth(III) and zinc(II) in aqueous media using polyurethane foam treated with dithizone.

A. Farag, A. Hamza, F. M. Al-Nowaiser, 1990 .

Pulsed column redox techniques with flexible foam fillings

T. Braun, A. Farag, 1973 .

Reversed-phase foam chromatography: Redox reactions on open-cell polyurethane foam columns supporting tetrachlorohydroquinone

T. Braun, A. Farag, A. Klimes-Szmik, 1973 .

The recovery of gold from alkaline cyanide media with a polyurethane foam sorbent

T. Braun, A. Farag, 1983 .

Polyurethane foam of the polyether type as a solid polymeric extractant for cobalt and iron from thiocyanate media

T. Braun, A. Farag, 1978 .

Cellular and foamed plastics as separation media A new geometrical form of the solid phase in analytical liquid-solid contact.

T. Braun, A. Farag, 1975, Talanta.

Plasticized open-cell polyurethane foam as a universal matrix for organic reagents in trace element preconcentration : Part II. Collection of mercury traces on dithizone and diethyldithiocarbamate foams

T. Braun, A. Farag, 1974 .

Plasticized open-cell polyurethane foam as a universal matrix for organic reagents in trace element preconcentration. Part III. Collection of cobalt traces on 1-nitroso-2-naphthol and diethyldithiocarbamate foams

T. Braun, A. Farag, 1974 .

Plasticized open-cell polyurethane foam as a universal matrix for organic reagents in trace element preconcentration: Part I. Collection of silver traces on dithizone foam

T. Braun, A. Farag, 1974 .

A new method for column packing in reversed-phase chromatography

T. Braun, A. Farag, 1972 .

Liquid-liquid extraction of iron(III), cobalt(II), nickel(II) and cadmium(II) from aqueous halide media with aliquat 336

A. El-wakil, A. Farag, A. K. Ez-Eldin, 1982, Fresenius' Zeitschrift für analytische Chemie.

Preconcentration and Separation of Phenols from Water by Polyurethane Foams

M. El-Shahawi, A. Farag, M. Mostafa, 1994 .

Polyurethane foam sorbents in separation science

T. Braun, J. Navratil, A. Farag, 1985 .

Semiquantitative and Quantitative Determination of Trace Amount of Phosphate Ion in Water Using Polyurethane Foam Thin -Layer Colorimetry

M. N. Abbas, A. Farag, N. B. Al-assy, 1989 .

Ion-exchange foam chromatography : Part II. Rapid separations on heterogeneous cation-exchange foams

T. Braun, A. Farag, 1974 .

Reversed-phase foam chromatography. Chemical enrichment and separation of gold in the tributylphosphate-thiourea-perchloric acid system

T. Braun, A. Farag, 1973 .

The simultaneous microdetermination of carbon, hydrogen, arsenic, or selenium in organic compounds

A. Farag, H. Hassan, M. Attia, 1984 .

Simultaneous microdetermination of carbon, hydrogen, and mercury in organomercury compounds by various combustion methods

A. Farag, H. Hassan, M. Attia, 1980 .

Adsorption of Heavy Metals on Coal-Based Activated Carbons

A. Youssef, E. A. El-Sharkawy, A. El-wakil, 1996 .

Fast grey ra as a new colorimetric reagent. Micro-determination of molybdenum

A. Farag, H. Khalifa, 1957 .

Collection and separation of some organic insecticides on polyurethane foam columns

M. El-Shahawi, A. El-wakil, A. Farag, 1986 .

Static and dynamic isotope exchange separations on hydrophobic organic phases immobilized in plasticized open-cell polyurethane foams

A. Farag, T. Braun, 1975 .

Iodometric determination of gold and platinum by 168- and 126-fold chemical amplification reactions

A. Farag, M. S. El-Shahawi, 1995 .

Chromofoams qualitative and semi-quantitative tests with chromogenic organic reagents immobilized in plasticized open-cell polyurethane foams

T. Braun, A. Farag, 1974 .

Reversed-phase foam chromatography: Separation of palladium, bismuth and nickel in the tributyl phosphate-thiourea-perchloricacid system

T. Braun, A. Farag, 1972 .

Iodometric microdetermination of sulphur in organic compounds by an amplification reaction.

A. Farag, Y. A. Gawargious, 1972, Talanta.

Chapter 13 Use of Cellular Plastics in Extraction Chromatography

T. Braun, A. Farag, 1975 .

Qualitative and semi-quantitative determination of chromium(VI) in aqueous solution using 1,5-diphenylcarbazide-loaded foam

M. El-Shahawi, A. Farag, A. M. El-Wakil, 1981 .

The sorption behaviour and separation of some metal thiocyanate complexes on polyether-based polyurethane foam.

M. El-Shahawi, A. Farag, S. Farrag, 1994, Talanta.

A Fast and Simple Method for Determination of Testosterone Hormone in Biological Fluids Based on a New Eu(III) Complex Optical Sensor

M. Attia, A. Youssef, A. Farag, 2017 .

New PVC Membrane Sensors for Microdetermination of Triamterene in Different Samples

A. Farag, M. M. Abd-Elzaher, S. Sheta, 2017 .

New Optical Sensor for Determination of Hydrochlorothiazide in Pharmaceutical Preparation and Biological Fluids

M. Attia, A. Youssef, A. Farag, 2017 .

The simultaneous microdetermination of carbon, hydrogen and halogen in highly chlorinated or brominated organic compounds

A. Farag, Y. A. Gawargious, 1969 .

Simultaneous microdetermination of carbon, hydrogen and chlorine or bromine in organic compounds by various rapid empty-tube combustion methods.

A. Farag, H. Hassan, M. Attia, 1980, Talanta.

Microdetermination of carbon and hydrogen in steroids

A. Farag, Y. A. Gawargious, 1969 .

Iodometric microdetermination of phosphorus in organic compounds

A. Farag, Y. A. Gawargious, 1971 .

Microdetermination of carbon and hydrogen in organofluorine compounds

A. Farag, H. Hassan, M. Attia, 1981 .

Iodometric microdetermination of phosphorus in organophosphorus compounds containing nitrogen, sulfur and halogens

A. Farag, Y. A. Gawargious, 1971 .

Separation of Cadmium(II), Iron(III), Nickel(II) and Copper(II) in Aqueous Solutions Using Adogen‐Foam Columns

A. El-wakil, A. Farag, M. S. El-Shahawi, 2010 .

Detection and semiquantitative determination of cadmium and copper using polyurethane foam loaded with selective reagents

A. Farag, A. Hamza, A. Al-Herthani, 1985 .

Development and Validation of Spectrophotometric and Hplc Methods for the Determination of Cefixime in Capsule and Suspension

A. Farag, G. Mohamed, E. B. Yussof, 2012 .