Spectrophotometric determination of beryllium in zinc base alloy with beryllon III

Spectrophotometric determination of gallium(III) with rutin.

Spectrophotometric Determination of Nickel with Chlorophosphonazo-III

The optimum conditions for spectrophotometric method for the determination of Ni with chlorophosphonazo-III (CPA-III) were established and the nickel content in water samples has been successfully determined. In a pH 5.5 acetic acid-sodium acetate buffer medium, CPA-III and Ni formed a 1:3 green blue complex and the maximum absorption wavelength of the complex is at 620 nm. Ni content in a rang...

Spectrophotometric Determination of Chromium(III) with 2-Hydroxybenzaldiminoglycine

A spectrophotometric method employing 2-hydroxybenzaldiminoglycine (HBIG) is proposed for the determination of chromium(III). The results of the determinations are compared with the standard diphenyl carbazide method. The presently developed method is direct, simple, rapid, selective, sensitive and precise. DOI: 10.1134/S106193480601@@@@

Simultaneous spectrophotometric determination of cadmium, copper and zinc.

A method for the simultaneous spectrophotometric determination of cadmium, copper and zinc based on the formation of their complexes with 1,5-bis(di-2-pyridylmethylene)thiocarbonohydrazide is proposed. The absorption curves of these complexes overlap severely in the scanning range 380-480 nm. The analyte concentrations are calculated by a least squares fit of the pure spectra to the mixture spe...

Direct and Derivative Spectrophotometric Determination of Ruthenium(III)

A spectrophotometric method has been developed for the determination of ruthenium (Ru) (III) in an aqueous dimethyl formamide using 2-hydroxy-3-methoxy benzaldehyde thiosemicarbazone (HMBATC) as a chromophoric reagent. The metal ion reacts with HMBATC forming a dark brown colored water soluble complex in the acidic medium. The Ru-HMBATSC complex shows the absorption maximum at 375 nm. However, ...