Method and device for sample injection under controlled...

Details Method and device for sample injection under controlled... Method and device for sample injection under controlled...

G - Physics

01

N

73/93

G01N 30/30 (2006.01) G01N 30/16 (2006.01)

Patent

CA 1134171

ABSTRACT OF THE DISCLOSURE A method and device for sample injections into a gas chromatographic column, wherein, in order to achieve sample trapping and solvent effects, the injection zone and an initial portion of the column are kept at a low temperature and then a quick temperature change is performed at the end of said initial portion. The cooling action is preferably performed by a cooling fluid acting outside the injector and column, while said temperature change is obtained by a suit- able thermoregulation of the oven wherein said gas chromato- graphic column is housed.

332766

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