Colloidal platinum sols: anion effects on coagulation behaviour
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The concentration of added electrolyte required to induce coagulation of a platinum sol has been determined for a range of electrolytes. It has been found that, for electrolytes in which the anion contains lone-electron-pair substituents, sol stability is significantly enhanced compared with that observed when similar but non-electron-pair-containing anions are used. It is proposed that the lone electron pairs enable anion adsorption on negative platinum surfaces despite the Coulombic repulsions present.
1996 ◽
Vol 52
(1)
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pp. 7-15
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Spatial dispersion of lone electron pairs? – Experimental charge density of cubic arsenic(iii) oxide
2015 ◽
Vol 17
(16)
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pp. 11020-11027
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1979 ◽
Vol 44
(11)
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pp. 3378-3384
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2017 ◽
Vol 73
(10)
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pp. 1409-1413
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2012 ◽
Vol 8
(2)
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pp. 1566-1580
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1984 ◽
Vol 39
(6)
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pp. 705-712
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