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Sample Injection in HP CE
For flushing or conditioning the capillary or injecting a sample, air pressures or different values and durations are applied. The injection system provides precise closed-loop control of the integral of the air pressure over time for either direction of fluid flow. The replenishment system automates the exchange of used electrolytes for fresh ones, using a special double-needle design.
by Werner Schneider
 Article 5 - jun95a5.pdf
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