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Frans_M_Everaerts_Isotachophoresis_378342.pdf

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380 COUNTER FLOW OF ELECTROLYTE<br />

d<br />

C<br />

b<br />

a<br />

I / 6 5<br />

- f<br />

Fig.17.3. Isotachophoretic separation of the mixture of components indicated in Fig.17.2, recorded<br />

with a conductivity detector (a.c. method) when a counter flow of electrolyte was applied. As shown<br />

in Fig.17.2, the zone boundaries become sharper if a small counter flow of electrolyte occurs.<br />

R = Increasing resistance; f = time. 1 = Chloride; 2 = amaranth red; 3 = acetate; 4 = bromophenol blue;<br />

5 = glutamate; 6 = fluorescein; 7 = MES.<br />

tR

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