Results 231 to 240 of about 301,057 (248)
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Simultaneous determination of Zn(II), Cd(II) and Hg(II) in water
Sensors and Actuators B: Chemical, 2003The use of artificial neural networks (ANNs) as a tool for simultaneous determination of Zn(II), Cd(II) and Hg(II) in water has been investigated, by employing an optode based on the 2-(5-bromo-2-pyridylazo)-5-(diethylamino)phenol (Br-PADAP) complex immobilised on Amberlite XAD-4 resin. Studies were performed with binary and ternary mixtures of Zn(II),
Raimundo, Ivo M., Narayanaswamy, R.
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2022
The sorption of metal ions on silica with covalently grafted propylthioethyleamine groups was studied. Quantitative sorption is observed at ???? 6.5 (Cu), ???? 5.5 (Pb), ???? 7 (Zn and Cd). It was stated that composition of complexes that are formed at the surface is ML (for Zn and Cd) and ML??? (for Cu and Pb). The detection limit obtained by sorption
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The sorption of metal ions on silica with covalently grafted propylthioethyleamine groups was studied. Quantitative sorption is observed at ???? 6.5 (Cu), ???? 5.5 (Pb), ???? 7 (Zn and Cd). It was stated that composition of complexes that are formed at the surface is ML (for Zn and Cd) and ML??? (for Cu and Pb). The detection limit obtained by sorption
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On the complex-formation between Cd(II) and EDTA
Talanta, 1980The complex-formation between cadmium and EDTA has been studied at 25 degrees in 1.0M sodium nitrate medium, by measuring with a glass electrode the hydrogen-ion concentrations of a series of solutions containing varying amounts of cadmium and EDTA, and the free concentration of cadmium with a cadmium-amalgam electrode.
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2018
?????????????? ?????????????? ?????????? ??????????????????, ???????????????????????? ???????????? ?? ?????????????? ????????, ???? ?????????????? ???????????????? ?????????????????? Cd(II) (??-???????????????????????????????????????????????? ????????????????????????, ?????????????? ???????????????????? ???????????????????? ???????????????? ????????????
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?????????????? ?????????????? ?????????? ??????????????????, ???????????????????????? ???????????? ?? ?????????????? ????????, ???? ?????????????? ???????????????? ?????????????????? Cd(II) (??-???????????????????????????????????????????????? ????????????????????????, ?????????????? ???????????????????? ???????????????????? ???????????????? ????????????
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2018
?????????????????????? ?????????????? ???????????????????????? ?????????????????????????????????? ?????????????????????????????????? ?????????????????? ?????????????????????????????????? Cd (II) ?? Zn (II) ?? ?????????? ???? ?????????????? ?????????????????? ??????????????????. ?????????????? ???????????????? ?????????????? ???????????? ?? ?????????? ??
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?????????????????????? ?????????????? ???????????????????????? ?????????????????????????????????? ?????????????????????????????????? ?????????????????? ?????????????????????????????????? Cd (II) ?? Zn (II) ?? ?????????? ???? ?????????????? ?????????????????? ??????????????????. ?????????????? ???????????????? ?????????????? ???????????? ?? ?????????? ??
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2019
The paper proposes the results of studies conducted in order to optimize the removal of ions Pb (II) and Cd (II) process using polyhexamethylene guanidine (PGMG) from aqueous solutions. It is observed using the methods of polarography, infrared spectroscopy, pH meters that the formation of compounds of chemisorptions type of ions of metals is putted in,
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The paper proposes the results of studies conducted in order to optimize the removal of ions Pb (II) and Cd (II) process using polyhexamethylene guanidine (PGMG) from aqueous solutions. It is observed using the methods of polarography, infrared spectroscopy, pH meters that the formation of compounds of chemisorptions type of ions of metals is putted in,
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2015
It was studied the influences of addition of protonodonor (MnO(OH)???) and protonoacceptor (Al???O?????nH???O) components on adsorption and mobility of ions Cu (II), Cd (II), Pb (II) into composite (hydr)oxides of Zr (IV), Sn (IV) and Ti (IV). It was found that increasing in ionic potential of forming metal of oxides bring to selectivity???s rising. It
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It was studied the influences of addition of protonodonor (MnO(OH)???) and protonoacceptor (Al???O?????nH???O) components on adsorption and mobility of ions Cu (II), Cd (II), Pb (II) into composite (hydr)oxides of Zr (IV), Sn (IV) and Ti (IV). It was found that increasing in ionic potential of forming metal of oxides bring to selectivity???s rising. It
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2021
The features of the sorption extraction of heavy metals (Cu (II), Cd (II), Zn (II), Co (II), Cr (VI)) from complex waste water contents containing a mixture of these ions by a composite based on nano-sized iron with the use, as an inorganic matrix, a highly active dispersed mineral montmorillonite are investigated.
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The features of the sorption extraction of heavy metals (Cu (II), Cd (II), Zn (II), Co (II), Cr (VI)) from complex waste water contents containing a mixture of these ions by a composite based on nano-sized iron with the use, as an inorganic matrix, a highly active dispersed mineral montmorillonite are investigated.
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Polymeric Sulphaquinoxaline Cd(II) Complex-based Sensors for Cd(II) Determination in Real Samples
Journal of Analytical Chemistry, 2022null Ola R. Shehab +2 more
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Interaction of Zn(II), Cd(II) and Hg(II) with hypoxanthine
Thermochimica Acta, 1979Savindra Randhawa +2 more
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