1999
DOI: 10.1006/jcis.1998.5878
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Alkali Metals Ion Exchange on Muscovite Mica

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Cited by 50 publications
(50 citation statements)
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“…The surface Li cations were exchanged against K + , which is a quite fast reaction. Although the platelets of the high surface area Li-mica collapse during this reaction and most of the surface area gained by delamination is lost, the CEC remains relatively high compared to that of natural mica and the surface of the resulting mica is also homoionic (30,33).…”
Section: Resultsmentioning
confidence: 96%
See 1 more Smart Citation
“…The surface Li cations were exchanged against K + , which is a quite fast reaction. Although the platelets of the high surface area Li-mica collapse during this reaction and most of the surface area gained by delamination is lost, the CEC remains relatively high compared to that of natural mica and the surface of the resulting mica is also homoionic (30,33).…”
Section: Resultsmentioning
confidence: 96%
“…To ensure this result, the CEC of the high surface area Li-mica was measured by different methods, including the Cu(trien)SO 4 , and compared. The CEC of the high surface area Li-mica was measured by exchange with Na + , K + , Rb + , or Cs + , and gave a mean value of 435 µmol/g (33). The same sample gave a CEC value of 408 µmol/g on exchanging with NDP + (31), while the exchange with Cu(trien) 2+ showed a CEC of 210 µmol/g.…”
Section: Resultsmentioning
confidence: 99%
“…For example, the double-layered structures are predominant in 100-mM KCl, MgCl 2 , and MgSO 4 solutions, whereas a mixture of single-and double-layered structures is observed in 100 mM NaCl. This can be explained by differences in their ion-exchange capacity on mica, where Mg 2+ can adsorb onto mica with higher strength and lower mobility than K + and H 3 O + (36, 37), whereas Na + has lower binding affinity than K + on mica (38). Specifically, there is a cation order of Mg 2+ > K + > Na + in its enhancement for the multilayered formation with the increase of the salt concentration, following an exact reverse order of the Hofmeister series for cations.…”
Section: Resultsmentioning
confidence: 99%
“…These observations may lead to the conclusion that poly͑acrylic acid͒ is not strongly cross-linked on the mica surface under the processing conditions used here 31 and dissolves away in the water solution, for which the cation exchange on the cleaved mica surface might also be responsible. 32,33 Nonetheless, it has been shown that the glass coverslips can be effectively coated with the polymer. This enabled us to proceed with the functionalization of the silica colloid probes with fibrinogen considering, at the same time, any compressibility effects of the swelled polymer layer.…”
Section: A Probe Modificationmentioning
confidence: 99%