G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/10 (2006.01) G01N 30/06 (2006.01) G01N 30/24 (2006.01) G01N 33/00 (2006.01)
Patent
CA 2579500
A sampling method capable of easily sampling the lower layer of a liquid divided into two types without causing mixing and a sampling device, and a logD measuring method and a logD measuring system. The lower layer liquid (50b) is sampled from the liquid divided into two layers of an upper layer liquid (octanol) (50a) and the lower layer liquid (buffer liquid) (50b) by using an extraction means (11) having a tubular tip part (11a) and extracting the liquid from the tip part (11a) by inserting the tip part (11a) from the upper side into the liquid. The method comprises a plug filling step for filling a plug liquid (51) not mixed with the upper layer liquid (50a) to the tip part (11a) of the extraction means (11) and an extraction step for extracting the lower layer liquid (50b) by the extraction means (11) in which the plug liquid (51) is filled in the plug filling step.
L~invention porte sur un procédé d~échantillonnage capable d~échantillonner facilement la couche inférieure d~un liquide divisé en deux types sans causer de mélange et un dispositif d~échantillonnage, et un procédé de mesure logD et un système de mesure logD. Le liquide de couche inférieure (50b) est échantillonné à partir du liquide divisé en deux couches d~un liquide de couche supérieure (octanol) (50a) et du liquide de couche inférieure (liquide tampon) (50b) à l~aide d~un moyen d~extraction (11) ayant une partie de pointe tubulaire (11a) et permettant l~extraction du liquide de la partie de pointe (11a) en introduisant la partie de pointe (11a) du côté supérieur dans le liquide. Le procédé comprend une phase de remplissage de bouchon pour remplir un liquide de bouchon (51) non mélangé au liquide de couche supérieure (50a) dans la partie de pointe (11a) du moyen d~extraction (11) et une phase d~extraction pour extraire le liquide de couche inférieure (50b) par le moyen d~extraction (11) dans lequel le liquide de bouchon (51) est rempli dans la phase de remplissage de bouchon.
Banyu Pharmaceutical Co. Ltd.
Borden Ladner Gervais Llp
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