2019
DOI: 10.1039/c9an00165d
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Application of response surface methodology for silver nanoparticle stir bar sorptive extraction of heavy metals from drinking water samples: a Box–Behnken design

Abstract: Silver nanoparticles were coated on a glass stir bar and used for the extraction of heavy metals from water samples after their complexation with ligand PAN, followed by their HPLC determination.

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Cited by 39 publications
(9 citation statements)
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“…Each variable ( Table 2) varied over a concentration range expressed in relation to MS medium (1× = MS concentration). After selection of independent variables and their ranges, the experiments were established based on a BBD with six factors at three levels and each independent variable was coded at three levels between +1, 0 and −1 corresponding to the low, mid and high levels (Table 3) [61]. The actual values and observed results for the three levels of the factors studied are presented in S1 and S2 Tables.…”
Section: Box-behnken Design As An Invaluable Tool For Optimization Ofmentioning
confidence: 99%
“…Each variable ( Table 2) varied over a concentration range expressed in relation to MS medium (1× = MS concentration). After selection of independent variables and their ranges, the experiments were established based on a BBD with six factors at three levels and each independent variable was coded at three levels between +1, 0 and −1 corresponding to the low, mid and high levels (Table 3) [61]. The actual values and observed results for the three levels of the factors studied are presented in S1 and S2 Tables.…”
Section: Box-behnken Design As An Invaluable Tool For Optimization Ofmentioning
confidence: 99%
“…In Eq. 1 , Y is predicted response, β 0 is the constant, X 1 , X 2 , X 3 and X 4 are the coded independent variables, β i is the linear effect, β ii is the quadratic effect, β ij proved the coefficient of the interaction factor, and e is the random error or allows for description or uncertainties between predicated and achieved data [ 31 ]. Equation 2 shows the mathematical relationship of the analytical signal and four indicated variables.…”
Section: Resultsmentioning
confidence: 99%
“…Accordingly, it is a need to develop a novel, effective, fast, inexpensive, and simple sample preparation technique to isolate analyte components of the samples and preconcentrate them to a detectable limit [11]. Several pretreatment techniques including solid phase extraction (SPE) [12], dispersive solid phase extraction (DSPE) [13], solid phase microextraction (SPME) [14], magnetic solid phase extraction (MSPE) [15], liquid-liquid extraction (LLE) [16,17], molecular imprinted polymer (MIP) [18], stir bar sorptive extraction (SBSE) [19], pipette tip microsolid phase extraction [20], molecularly imprinted stir bar sorptive extraction (MIPSB) [21], microwave-assisted extraction (MASE) [22], membrane extraction [23], solid phase extraction (SPE) [24], supercritical fluid extraction (SFE) [25], and silver nanoparticle stir bar sorptive extraction [26] have been used widespread application for preconcentration and isolate trace level compound of complicated matrices. Before talking in detail about these mainly miniaturized techniques, first some details about the classification of extraction methods are explained.…”
Section: Sample Preparation Techniquesmentioning
confidence: 99%