The electrical double layer in molten sa
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A.D. Graves; D. Inman
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Article
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1970
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Elsevier Science
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Equation ( ) is arrived at by summing a geometric series in fl, i.e. 1 +fl+fl2+ ... ft,-l=(1-fl)-1 as n ~ m. When fl is 0.2, the series can be approximated by the first three terms.