210 results on '"Sitko, Rafal"'
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2. Ultrasensitive determination of selenium in food samples and its speciation in water and beverages using thiosemicarbazide-incorporated graphene and total-reflection X-ray fluorescence spectrometry
3. Ultratrace determination and speciation of hexavalent chromium by EDXRF and TXRF using dispersive micro-solid phase extraction and tetraethylenepentamine graphene oxide
4. Ultrasensitive and selective determination of mercury in water, beverages and food samples by EDXRF and TXRF using graphene oxide modified with thiosemicarbazide
5. Sensitive determination of uranium using β-cyclodextrin modified graphene oxide and X-ray fluorescence techniques: EDXRF and TXRF
6. Determination of ultra-trace gold in cosmetics using aluminum-magnesium layered double hydroxide/graphene oxide nanocomposite
7. Graphene oxide decorated with fullerenol nanoparticles for highly efficient removal of Pb(II) ions and ultrasensitive detection by total-reflection X-ray fluorescence spectrometry
8. Commercializing University Innovations: A Sense-Making Perspective to Communicate Between Academics and Industry
9. Toward a viable ecological method for regenerating a commercial SCR catalyst – Selectively leaching surface deposits and reconstructing a pore landscape
10. Ultrasensitive determination of selenium in food samples and its speciation in water and beverages using thiosemicarbazide-incorporated graphene and total-reflection X-ray fluorescence spectrometry
11. Work experiences of Polish women in the Scottish hospitality industry : an intersectional study
12. Ultratrace determination of metal ions using graphene oxide/carbon nanotubes loaded cellulose membranes and total-reflection X-ray fluorescence spectrometry: A green chemistry approach
13. Thiosemicarbazide-grafted graphene oxide as superior adsorbent for highly efficient and selective removal of mercury ions from water
14. The older entrepreneurial self: intersecting identities of older women entrepreneurs
15. A green analytical method for ultratrace determination of hexavalent chromium ions based on micro-solid phase extraction using amino-silanized cellulose membranes
16. Fast and sensitive determination of heavy metal ions as batophenanthroline chelates in food and water samples after dispersive micro-solid phase extraction using graphene oxide as sorbent
17. Mono- and bimetallic nano-Re systems doped Os, Mo, Ru, Ir as nanocatalytic platforms for the acetalization of polyalcohols into cyclic acetals and their applications as fuel additives
18. Determination and speciation of ultratrace arsenic and chromium species using aluminium oxide supported on graphene oxide
19. Method for the determination of Pb, Cd, Zn, Mn and Fe in rice samples using carbon nanotubes and cationic complexes of batophenanthroline
20. Highly selective determination of ultratrace inorganic arsenic species using novel functionalized miniaturized membranes
21. Alumina/nano-graphite composite as a new nanosorbent for the selective adsorption, preconcentration, and determination of chromium in water samples by EDXRF
22. Oxide passivated Ni-supported Ru nanoparticles in silica: A new catalyst for low-temperature carbon dioxide methanation
23. Nano silica and molybdenum supported Re, Rh, Ru or Ir nanoparticles for selective solvent-free glycerol conversion to cyclic acetals with propanone and butanone under mild conditions
24. Cellulose mini-membranes modified with TiO2 for separation, determination, and speciation of arsenates and selenites
25. Highly Efficient Removal of Hexavalent Chromium and its Ultrasensitive and Selective Determination by Total-Reflection X-Ray Fluorescence Spectrometry Using Tetraethylenepentamine Graphene Oxide
26. Gender, authentic leadership and identity: analysis of women leaders’ autobiographies
27. Commercializing University Innovations: A Sense-Making Perspective to Communicate Between Academics and Industry
28. Graphene and Derivatives: Sample Handling
29. Determination and speciation of trace and ultratrace selenium ions by energy-dispersive X-ray fluorescence spectrometry using graphene as solid adsorbent in dispersive micro-solid phase extraction
30. SiO2-, Cu-, and Ni-supported Au nanoparticles for selective glycerol oxidation in the liquid phase
31. Spherical silica particles decorated with graphene oxide nanosheets as a new sorbent in inorganic trace analysis
32. 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 extraction
33. Ceria nanoparticles deposited on graphene nanosheets for adsorption of copper(II) and lead(II) ions and of anionic species of arsenic and selenium
34. Selective adsorption and determination of hexavalent chromium ions using graphene oxide modified with amino silanes
35. Carbon nanotubes as a solid sorbent for the preconcentration of Cr, Mn, Fe, Co, Ni, Cu, Zn and Pb prior to wavelength-dispersive X-ray fluorescence spectrometry
36. A study on adsorption of metals by activated carbon in a large-scale (municipal) process of surface water purification
37. Preconcentration via ion associated complexes combined with inductively coupled plasma optical emission spectrometry for determination of heavy metals
38. Catalytic Removal of NOx on Ceramic Foam-Supported ZnO and TiO2 Nanorods Ornamented with W and V Oxides
39. Qualitative Data Analysis Approaches
40. Fast and simple method for determination of fatty acid methyl esters (FAME) in biodiesel blends using X-ray spectrometry
41. Preconcentration of trace lead via formation of the bis(2,2-bipyridyl) complex and its adsorption on oxidized multiwalled carbon nanotubes
42. Quantitative X-ray fluorescence analysis of samples of less than ‘infinite thickness’: Difficulties and possibilities
43. Standardless energy-dispersive X-ray fluorescence analysis using primary radiation monochromatized with LiF(200) crystal
44. Study on the influence of X-ray tube spectral distribution on the analysis of bulk samples and thin films: Fundamental parameters method and theoretical coefficient algorithms
45. Highly selective and sensitive determination of mercury ions by total-reflection X-ray fluorescence spectrometry
46. Determination of Te, Bi, Ni, Sb and Au by X-ray fluorescence spectrometry following electroenrichment on a copper cathode
47. Influence of X-ray tube spectral distribution on uncertainty of calculated fluorescent radiation intensity
48. Book review
49. Graphene Oxide/Carbon Nanotube Membranes for Highly Efficient Removal of Metal Ions from Water
50. A Study of Catalytic Oxidation of a Library of C2 to C4 Alcohols in the Presence of Nanogold
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