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Corresponding Author

El-Dessouky, Mohamed

Subject Area

Mathematics and Engineering Physics

Article Type

Original Study

Abstract

The publication gives an alternative empiric procedure for application of Beer-Lambert law. It rests on determining the area under the peak of maximum absorbance of analyte (ȿ) in solution instead of the absorbance at maximum wavelength as a function of concentration. This empiric procedure gives straight line relations between the area and concentration. Calculation of molar absorptivity, e for taking the absorbance and area under the peak of maximum absorbance percentage and relative errors prove that the proposed procedure is more precise and reliable. The study has been made on solutions of cerium and some transition elements in addition to complex with Ni or Co 1,2 bis (beta-aminoethoxy) ethane, N, N, N-, N-, sodium sulfonate triacetic acid, A proposal is put forward to modify the new genera tons of spectrometers by adding electronic Integrators and computer possibilities to obtain more precise and reliable results.

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