Sampling method and sampling device, and logD measuring method and logD measuring system
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United States of America Patent
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Jul 8, 2008
Grant Date -
Nov 1, 2007
app pub date -
Sep 13, 2005
filing date -
Sep 15, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sampling method sampling a lower-layer liquid from a liquid body comprised of two layers of liquids, an upper-layer liquid (octanol) and the lower-layer liquid (buffer solution), without mixing the layers. An extracting device is provided with a tubular apical end and is adapted to bring the apical end from above into a liquid to extract the liquid through the apical end. The method includes a plug injection step of injecting a plug liquid without mixing with the upper-layer liquid 50a, into the apical end 11a of the extracting device, and an extraction step of extracting the lower-layer liquid with the plug liquid by means of the extracting device.
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