الأبحاث

علاء السيد أحمد أحمد أمين

أستاذ متفرغ

كلية العلوم كيمياء

Microdetermination of zinc(II) in alloys and ores by visible spectrophotometric technique using 2,3-dichloro-6-(2-hydroxynaphthylazo) quinoxaline in presence of mixed surfactants

2002

Charge transfer complexes of some oxazolones with iodine.

2002

- Charge transfer complexes of some anilides with nitrobenzene derivatives as p- electron acceptors.

2002

Determination of tin(IV) in alloys and in canned food by visible spectrophotometric technique using pyrimidine azo compounds in presence of mixed surfactants.

2002

Simple selective spectrophotometric determination of ruthenium after solid phase extraction with some quinoxaline dyes into microcrystalline-p- dichlorobenzene.

2002

Facile colorimetric methods for the quantitative determination of tetramisole hydrochloride.

2002

A turbidimetric determination of paracetamol in pharmaceutical formulations.

2002

Spectrophotometric determination of piroxicam and tenoxicam in pharmaceutical formulations using alizarin.

2002

- Utility of alizarine derivatives for the spectrophotometric determination of certain cephalosporines in pure and in dosage forms.

2002

Colorimetric determination of b-blockers in pharmaceutical formulations.

2002

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colorimetric determination

determination

pharmaceutical formulations

pharmaceuticals

pure form

spectrophotometric method

spectrophotometry