Helmholtz-Zentrum Dresden-Rossendorf

Surface Processes

Dr. Frank Bok

Chemist

Phone:+49 351 260 3551
Email: f.bok@hzdr.de
Links:THEREDA - Thermodynamische Referenzdatenbasis
RES³T - Rossendorf Expert System for Surface and Sorption Thermodynamics
ORCID: 0000-0002-6885-2619
AddressBautzner Landstraße 400
01328 Dresden
Building/Office:801/P202

Scientific career

  • since 2011:
    Research associate at the Helmholtz-Zentrum Dresden-Rossendorf e.V. - Institute of Resource Ecology.
  • 2010:
    TU Bergakademie Freiberg - Institute for Inorganic Chemistry, Ph.D. in Inorganic Chemistry.
  • 2005-2011:
    Research Assistant at the TU Bergakademie Freiberg - Institute for Inorganic Chemistry.
  • 1998-2004:
    TU Bergakademie Freiberg, Diploma in Chemistry.

Research experience

Database development for thermodynamic and sorption chemistry

  • Development of a database (THEREDA) for the modeling of the german nuclear waste repository (see below).
  • Development of the sorption database RES³T (see below).
  • (Geo)Chemical modeling using Geochemist's Workbench / PHREEQC.

Projects

Memberships / Board activities

Teaching activity

  • Seminar "Geochemical Modelling using Geochemist's Workbench®" (Friedrich-Schiller-University Jena)
  • Seminar "Geochemical Modelling using PHREEQC" (TU Bergakademie Freiberg)

Publications

2020

Temperature-dependent luminescence spectroscopic investigations of U(VI) complexation with the halides F- and Cl-

Demnitz, M.; Hilpmann, S.; Lösch, H.; Bok, F.; Steudtner, R.; Patzschke, M.; Stumpf, T.; Huittinen, N. M.


Uranium and neptunium retention mechanisms in Gallionella ferruginea / ferrihydrite systems for remediation purposes

Krawczyk-Bärsch, E.; Scheinost, A. C.; Roßberg, A.; Müller, K.; Lehrich, J.; Bok, F.; Hallbeck, L.; Schmeide, K.


2019

Thermodynamic and structural aspects of the aqueous uranium(IV) system – hydrolysis vs. sulfate complexation

Lehmann, S.; Foerstendorf, H.; Zimmermann, T.; Patzschke, M.; Bok, F.; Brendler, V.; Stumpf, T.; Steudtner, R.


Effect of four lanthanides onto the viability of two mammalian kidney cell lines

Heller, A.; Barkleit, A.; Bok, F.; Wober, J.


A spectroscopic study of trivalent cation (Cm3+ and Eu3+) sorption on monoclinic zirconia (ZrO2)

Eibl, M.; Virtanen, S.; Pischel, F.; Bok, F.; Lönnrot, S.; Shaw, S.; Huittinen, N.


Stability of U(VI) doped calcium silicate hydrate gel in repository-relevant brines studied by leaching experiments and spectroscopy

Wolter, J.-M.; Schmeide, K.; Weiss, S.; Bok, F.; Brendler, V.; Stumpf, T.


2017

Calorimetrically determined U(VI) toxicity in Brassica napus correlates with oxidoreductase activity and U(VI) speciation

Sachs, S.; Geipel, G.; Bok, F.; Oertel, J.; Fahmy, K.


Plutonium interaction studies with the Mont Terri Opalinus Clay isolate Sporomusa sp. MT-2.99: changes in the plutonium speciation by solvent extractions.

Moll, H.; Cherkouk, A.; Bok, F.; Bernhard, G.


Batch sorption and spectroscopic speciation studies of neptunium uptake by montmorillonite and corundum

Elo, O.; Müller, K.; Ikeda-Ohno, A.; Bok, F.; Scheinost, A.; Hölttä, P.; Huittinen, N.


2016

NeptuniumV retention by siderite under anoxic conditions: Precipitation of NpO2–like nanoparticles and of NpIV pentacarbonate

Scheinost, A. C.; Steudtner, R.; Hübner, R.; Weiss, S.; Bok, F.


The specific sorption of Np(V) on the corundum (α-Al2O3) surface in the presence of trivalent lanthanides Eu(III) and Gd(III): a batch sorption and XAS study

Virtanen, S.; Bok, F.; Ikeda-Ohno, A.; Rossberg, A.; Lützenkirchen, J.; Rabung, T.; Lehto, J.; Huittinen, N.


Speciation Studies of Metals in Trace Concentrations: The Mononuclear Uranyl(VI) Hydroxo Complexes

Drobot, B.; Bauer, A.; Steudtner, R.; Tsushima, S.; Bok, F.; Patzschke, M.; Raff, J.; Brendler, V.


2015

In situ spectroscopic identification of neptunium(V) inner-sphere complexes on the hematite-water interface

Müller, K.; Gröschel, A.; Rossberg, A.; Bok, F.; Franzen, C.; Brendler, V.; Foerstendorf, H.


Interaction of Eu(III) with mammalian cells: Cytotoxicity, uptake and speciation as a function of Eu(III) concentration and nutrient composition

Sachs, S.; Heller, A.; Weiß, S.; Bok, F.; Bernhard, G.


Disposal of nuclear waste in host rock formations featuring high-saline solutions – Implementation of a thermodynamic reference database (THEREDA)

Moog, H. C.; Bok, F.; Marquardt, C. M.; Brendler, V.


A spectroscopic study on U(VI) biomineralization in cultivated Pseudomonas fluorescens biofilms isolated from granitic aquifers

Krawczyk-Bärsch, E.; Lütke, L.; Moll, H.; Bok, F.; Steudtner, R.; Rossberg, A.


2014

Interaction of U(VI) with Äspö diorite: A batch and in situ ATR FT-IR sorption study

Schmeide, K.; Gürtler, S.; Müller, K.; Steudtner, R.; Joseph, C.; Bok, F.; Brendler, V.


2012

New iron(III) nitrate hydrates: Fe(NO3)3•xH2O with x = 4, 5 and 6

Schmidt, H.; Asztalos, A.; Bok, F.; Voigt, W.


Immobilization of uranium in biofilm microorganisms exposed to groundwater seeps over granitic rock tunnel walls in Olkiluoto, Finland

Krawczyk-Bärsch, E.; Lünsdorf, H.; Arnold, T.; Bok, F.; Steudtner, R.; Pedersen, K.; Lehtinen, A.; Brendler, V.


Patent