Adsorption of divalent metal ions from aqueous solutions using graphene oxide R Sitko, E Turek, B Zawisza, E Malicka, E Talik, J Heimann, A Gagor, ... Dalton transactions 42 (16), 5682-5689, 2013 | 869 | 2013 |
Graphene as a new sorbent in analytical chemistry R Sitko, B Zawisza, E Malicka TrAC Trends in Analytical Chemistry 51, 33-43, 2013 | 412 | 2013 |
Determination of rare earth elements by spectroscopic techniques: a review B Zawisza, K Pytlakowska, B Feist, M Polowniak, A Kita, R Sitko Journal of Analytical Atomic Spectrometry 26 (12), 2373-2390, 2011 | 254 | 2011 |
Green approach for ultratrace determination of divalent metal ions and arsenic species using total-reflection X-ray fluorescence spectrometry and mercapto-modified graphene … R Sitko, P Janik, B Zawisza, E Talik, E Margui, I Queralt Analytical chemistry 87 (6), 3535-3542, 2015 | 209 | 2015 |
Modification of carbon nanotubes for preconcentration, separation and determination of trace-metal ions R Sitko, B Zawisza, E Malicka TrAC Trends in Analytical Chemistry 37, 22-31, 2012 | 205 | 2012 |
Trace and ultratrace analysis of liquid samples by X-ray fluorescence spectrometry E Marguí, B Zawisza, R Sitko TrAC Trends in Analytical Chemistry 53, 73-83, 2014 | 140 | 2014 |
Quantitative X-ray fluorescence analysis of samples of less than ‘infinite thickness’: difficulties and possibilities R Sitko Spectrochimica Acta Part B: Atomic Spectroscopy 64 (11-12), 1161-1172, 2009 | 118 | 2009 |
Quantification in X-ray fluorescence spectrometry R Sitko, B Zawisza X-ray spectroscopy, 137-162, 2012 | 114 | 2012 |
Dispersive micro solid-phase extraction using multiwalled carbon nanotubes combined with portable total-reflection X-ray fluorescence spectrometry for the determination of … K Kocot, B Zawisza, E Marguí, I Queralt, M Hidalgo, R Sitko Journal of Analytical Atomic Spectrometry 28 (5), 736-742, 2013 | 112 | 2013 |
Graphene oxide/cellulose membranes in adsorption of divalent metal ions R Sitko, M Musielak, B Zawisza, E Talik, A Gagor RSC advances 6 (99), 96595-96605, 2016 | 109 | 2016 |
Suspended aminosilanized graphene oxide nanosheets for selective preconcentration of lead ions and ultrasensitive determination by electrothermal atomic absorption spectrometry R Sitko, P Janik, B Feist, E Talik, A Gagor ACS applied materials & interfaces 6 (22), 20144-20153, 2014 | 102 | 2014 |
Selective adsorption and determination of hexavalent chromium ions using graphene oxide modified with amino silanes P Janik, B Zawisza, E Talik, R Sitko Microchimica Acta 185, 1-8, 2018 | 94 | 2018 |
Preconcentration of Fe (III), Co (II), Ni (II), Cu (II), Zn (II) and Pb (II) with ethylenediamine-modified graphene oxide B Zawisza, A Baranik, E Malicka, E Talik, R Sitko Microchimica Acta 183, 231-240, 2016 | 92 | 2016 |
Spherical silica particles decorated with graphene oxide nanosheets as a new sorbent in inorganic trace analysis R Sitko, B Zawisza, E Talik, P Janik, G Osoba, B Feist, E Malicka Analytica chimica acta 834, 22-29, 2014 | 92 | 2014 |
Dispersive liquid–liquid microextraction using diethyldithiocarbamate as a chelating agent and the dried-spot technique for the determination of Fe, Co, Ni, Cu, Zn, Se and Pb … K Kocot, B Zawisza, R Sitko Spectrochimica Acta Part B: Atomic Spectroscopy 73, 79-83, 2012 | 91 | 2012 |
Graphene oxide as a solid sorbent for the preconcentration of cobalt, nickel, copper, zinc and lead prior to determination by energy-dispersive X-ray fluorescence spectrometry B Zawisza, R Sitko, E Malicka, E Talik Analytical Methods 5 (22), 6425-6430, 2013 | 88 | 2013 |
Graphene oxide/carbon nanotube membranes for highly efficient removal of metal ions from water M Musielak, A Gagor, B Zawisza, E Talik, R Sitko ACS applied materials & interfaces 11 (31), 28582-28590, 2019 | 77 | 2019 |
Determination and speciation of trace and ultratrace selenium ions by energy-dispersive X-ray fluorescence spectrometry using graphene as solid adsorbent in dispersive micro … K Kocot, R Leardi, B Walczak, R Sitko Talanta 134, 360-365, 2015 | 73 | 2015 |
Trace and ultratrace determination of heavy metal ions by energy-dispersive X-ray fluorescence spectrometry using graphene as solid sorbent in dispersive micro solid-phase … K Kocot, R Sitko Spectrochimica Acta Part B: Atomic Spectroscopy 94, 7-13, 2014 | 73 | 2014 |
Method for the determination of Pb, Cd, Zn, Mn and Fe in rice samples using carbon nanotubes and cationic complexes of batophenanthroline B Feist, R Sitko Food chemistry 249, 38-44, 2018 | 68 | 2018 |