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Evaporation driven pumping for chromatography application
DOI:10.1039/b208031c.png)
摘要
En 中文
A continuous transport process for liquids in micro-channels is reported. Flow was generated by evaporation at the channel end plus capillary forces. The micro-channels integrated into a two-glass-layer device were 110 mum wide, 28 mum deep and 4 or 10 cm long. A continuous liquid transport velocity of up to 2.25 mm s(-1) was observed for aqueous solutions. The flow velocity is shown to increase when an air stream is guided over the evaporation zone.
Keyword:
LIQUID-CHROMATOGRAPHY
WATER
PLANTS
LIMIT
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