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Träfflista för sökning "WFRF:(Carlsson Torbjörn) srt2:(1985-1989)"

Sökning: WFRF:(Carlsson Torbjörn) > (1985-1989)

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1.
  • Carlsson, Torbjörn (författare)
  • Interactions in MX-80 bentonite/water/electrolyte systems
  • 1986
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • The main objective of this work was to study the influence of temperature, water ratio and electrolyte content on the molecular water mobility in water saturated MX-80 bentonite. T a minor extent the influence of pressure, time, and specific surface area on the molecular water mobility was studied. The investigation was carried out by pulsed nuclear magnetic resonance technique, NMR. The proton T2 relaxation time was chosen as a measure of the molecular water mobility. The investigated samples consisted of MX-80 bentonite to which water solutions of either NaCl, KCl, CaCl2, or SrCl2 were added. The electrolyte concentration varied between 0 and 0.35 mol.dm-3. The water ratio varied between 23 and 2000 per cent. The electrolyte content and water ratio were kept within limits corresponding to non-flocculated MX-80 bentonite. The sample temperature varied between +15 and +80°C. The structure of montmorillonite, the main component in MX-80 bentonite, and the structure of liquid water as well as the main physico-chemical interactions taking place in the investigated MX-80 bentonite samples are discussed.
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2.
  • Carlsson, Torbjörn (författare)
  • NMR-studies of pore water in bentonite/water/electrolyte
  • 1986
  • Ingår i: Scientific basis for nuclear waste management IX. - Pittsburgh, Pa : Materials Research Society. - 0931837154 ; , s. 609-615
  • Konferensbidrag (refereegranskat)abstract
    • The properties of water saturated bentonite systems are highly dependent on the pore water chemistry, water content and temperature. In this study relative changes in the physical state of pore water are studied by means of the nuclear magnetic resonance technique (NMR). It is found that the relative water mobility increases with increasing water content and/or increasing temperature, while an increase in the electrolyte content lowers the water mobility
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  • Resultat 1-2 av 2
Typ av publikation
konferensbidrag (1)
doktorsavhandling (1)
Typ av innehåll
övrigt vetenskapligt/konstnärligt (1)
refereegranskat (1)
Författare/redaktör
Carlsson, Torbjörn (2)
Lärosäte
Luleå tekniska universitet (2)
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Engelska (2)
Forskningsämne (UKÄ/SCB)
Teknik (2)
År
1986 (2)

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