… mixture Design of Experiment (DOE) method was used to determine the optimum aqueous
… As a result, many samples were prepared and the sample which gives the lowest IFT with n-…

… (III) and Pt(IV) contents in aqueous samples after preconcentration. The method was based
on … optimization step was carried out using two-level full-factorial and Box–Behnken designs. …

… and real samples, an optimization study was needed to ensure that the maximum extraction
is attained. Tagu chi’s optimization technique is a unique and powerful optimization tool that …

… To illustrate this, we compared chromatograms of a sample derivatized without prior evaporation
and a sample which was evaporated under a flow of nitrogen and redissolved in water (…

… in aqueous samples in the range 20–200 μg l −1 , to simultaneously optimize extraction …
]), to check with synthetic and real samples during laboratory and on-site validations that no …

… mercury ions from food and aqueous solution prior to determination … composite design was
utilized as a method for optimizing the … design for removal of lead ions from aqueous solution. …

… Therefore, in the present study, we aimed to optimize the extraction of phenolic compounds
… of time, temperature and sample-to-solvent ratio were chosen for optimization, as they are …

… using diverse aqueous matrices including Milli-Q TM water, a surface water sample collected
… For each of the aqueous matrices a specific design of experiments was performed and the …

… This study proposes a methodology of determination of cadmium and manganese in food
samples using an aqueous two-phase system without extracting agent with F AAS detection. In …

… The Box-Behnken experimental design that was used allowed the determination of
optimal temperature, time and sample quantity for the aqueous extraction of compounds with …