autosampler for liquid chromatography, especially for the hochleistungsflu00fcssigkeitschromatographie

摘要

autosampler for liquid chromatography, particularly the hochleistungsflu00fcssigkeitschromatographie, (a) with a ansteuerbaren injektionsventil (3), at least a waste port (12) for the purging of the fluid under low pressure, two probenschleifen ports (13, 16), and e two pressure ports (14,15) for feeding and purging of the fluid under high pressure with a high pressure port in (15) with a pump (40) and the high pressure port (14) with a chromatographiesu00e4ule (41) doors, (b) a probenschleife (44, 51, 52), (i) the first probenschleifen - section (51) includesthe at one end with one of the probenschleifen ports (16) and at the other end with a pumpenvolumen (v) of a probenfu00f6rdereinrichtung (5) is connected, (ii) a second probenschleifen - part (44, 52) includes, at one end, with the other of the probenschleifen ports (13) and the other in the end, with the pumpenvolumen (v) of the probenfu00f6rdereinrichtung (5) is connected.(iii) while the second probenschleifen - part (44, 52) in a ansaugstu00fcck (44) and a zufu00fchrstu00fcck (52) capacity (trained and (iv) in the divided state with the free end of the pumpenvolumen (v) associated ansaugstu00fccks (44), a probenfluid ansaugbar isin the related condition on the zufu00fchrstu00fcck (52) in the direction of the probenschleifen port (13) zufu00fchrbar, and (c) with the injektionsventil (3) that is trained (t) in a load position, the two pressure ports (14, 15) with each other and with the second sample nschleifen - part (44),52) associated probenschleifen port (13) with a waste port (12) are connected, and (ii) that an inject position with the pump (40) verbindbare high-pressure port (15) with the probenschleifen port (16) is connected, and the chromatographiesu00e4ule (41) verbindbare high pressure port (14) m the probenschleifen port (13) is connected, characterized(d1) that injektionsventil full purge position is in the probenschleifen port (16) with a waste port (12) is connected, and the high pressure port (15) with the probenschleifen port (13) is connected, and / or (d2) that injektionsventil a pump - purge position inin the high pressure port (15) with a waste port (12) is connected, and / or (d3) that injektionsventil a suction position is in the high pressure port (15) with the probenschleifen port (13) is connected, and the probenschleifen port (16) sealed.