Automatic solid phase extraction device with interchangeable noz

Details Automatic solid phase extraction device with interchangeable noz Automatic solid phase extraction device with interchangeable noz

1995-12-08

1997-08-26

Le, Long V.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

412 81, 412100, 412101, 412103, 436 43, 436 54, 436178, 436180, 7386332, 7386424, 7386425, G01N 114, G01N 3510

Patent

active

056607920

ABSTRACT:
When conducting preprocessing to extract targeted components sample solution, the purpose is to be able to conduct the processing in a shortened length of time by greatly shortening the entire processing time, even if the number being processed is increased. A single needle holder, to which a single needle nozzle is attached to take sample solution into test tubes arranged in a sample rack and inject the sample solution into solid phase extraction tubes, and a multiple linked needle holder for injecting solvent, to which multiple needle nozzles are attached to simultaneously supply multiple solid phase extraction tubes with solvent, are mounted interchangeable on a head, the movement of which can be controlled in the directions of three orthogonal axes; and when aforementioned needle holders are mounted on said head, flow rate control pumps, which are switchable between the intake and discharge directions, are mounted through the piping which connects those needle nozzles with the solvent supply sources.

REFERENCES:
patent: 5260028 (1993-11-01), Astle
patent: 5306510 (1994-04-01), Meltzer
patent: 5324480 (1994-06-01), Shumate et al.
patent: 5395594 (1995-03-01), Nokihara et al.
patent: 5443791 (1995-08-01), Cathcart et al.
patent: 5525302 (1996-06-01), Astle
Waters MilliLab.TM. Workstation brochure, 1989.
BenchMate.TM. II Workstations brochure, Zymark.RTM., Dec., 1992.

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