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A new polymeric sorbent prepared by utilizing molecular imprinting technology was used for the selective extraction of hydrochlorothiazide (HCT) from pharmaceutical and human serum sample. The molecularly imprinted polymer (MIP) was prepared using HCT as the template, methacrylic acid (MAA) as the functional monomer, ethylene glycol dimethacrylate (EDMA) as the cross-linker monomer, and dimethylformamide...
The main purpose of this study is to develop an inexpensive, simple, selective and especially highly selective modified mixed-oxide carbon paste electrode (CPE) for voltammetric determination of Pb(II). For the preliminary screening purpose, the catalyst was prepared by modification of SiO 2 –Al 2 O 3 mixed-oxide and characterized by TG, CHN elemental analysis and FTIR spectroscopy...
A novel, simple, sensitive and effective method has been developed for preconcentration of thallium on 2,6-bis(N-phenyl carbamoyl)pyridine-naphthalene adsorbent in the pH range 5.0–10.0, prior to its spectrophotometric determination, based on the oxidation of bromopyrogallol red at λ=518nm. This method makes it possible to quantitize thallium in the range of 3.0×10 −9 to 1.0×10 −5 ...
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