Several series of papers have been published on the historic development of the DS, 1–5
the properties1 and limitations of derivative spectra2 as well as computer programs for …

A simple, novel and sensitive spectrophotometric method was described for simultaneous
determination of nitrophenol isomers mixtures. All factors affecting on the sensitivity were …

In this paper, Chemometric assisted UV spectrophotometric and RP-HPLC methods were
developed and compared for simultaneous determination of Paracetamol, Diphenhydramine …

In this work, a new method has been proposed to simultaneously determine the trace
amount of malachite green and crystal violet from aqueous solution by spectrophotometry …

Partial least squares (PLS) and principal component regression (PCR) have received
considerable attention in the chemometrics for multicomponent analysis where superiority of …

Genetic algorithm (GA) is a suitable method for selecting wavelengths for PLS (partial least
squares) calibration of mixtures with almost identical spectra without loss of prediction …

A new solid phase extraction method for separation and preconcentration of trace amounts
of uranium, thorium, and zirconium in water samples is proposed. The procedure is based …

In this work, direct determination of lorazepam, an anxiolytic and sedative agent, in
pharmaceutical formulations and biological fluids (urine and human plasma) was …

In Algeria most of the urban waste water is dumped without treatment into the Sea. It is
tremendously important to assess the consequences of organic matter rich sewage on …

Partial least squares modeling as a powerful multivariate statistical tool applied to
spectrophotometric simultaneous determination of cobalt, copper, and nickel in aqueous …