PerkinElmer TORION T-9, Руководство пользователя

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40 . Torion T-9 User’s Guide
Sample Gases
Vapors in air or other gas samples can be sampled directly or from a gas sampling container
using the Custodion syringe. The steps for vapor headspace analysis (as discussed above) should
be followed when applicable.
Sample Liquids
CAUTION
ATTENTION
Samples that are too concentrated w ill overload the GC column
and TMS, possibly requiring cleaning of the system (Custodion
SPME fiber, ion trap, etc.) before the next sample can be
analyzed. Of particular concern is the viscosity of the liquid
sample. Viscous samples should never be sampled and analyzed
directly.
Les échantillons trop concentrés surchargeront la colonne GC et
TMS, nécessitant peut-être un nettoyage du système (fibre
Custodion SPME, piège ionique, etc.) avant que l'échantillon
suivant puisse être analysé. La viscosité de l'échantillon liquide
est particulièrement préoccupante. Les échantillons visqueux ne
doivent jamais être échantillonnés et analysés directement.
1. Place the liquid or dissolved solid sample into a sample vial. Add sufficient volume of
liquid to completely immerse the SPME fiber when it is fully extended from the Custodion
syringe needle.
2. Cap the vial with a septum cap.
3. Insert the Custodion syringe needle through the sample vial septum.
CAUTION
ATTENTION
Be certain that the SPM E fiber is retracted inside the Custodion
syringe needle before piercing it through the sample vial
septum.
Assurez-vous que la fibre SPME est rétractée à l'intérieur de
l'aiguille de la seringue du Dépositaire avant de la percer à
travers le septum du flacon d'échantillon.
CAUTION
ATTENTION
Be careful not to bend the flexible SPME needle w hen piercing
the septum.
Veillez à ne pas plier l'aiguille SPACE flexible lors du perçage du
septum.
4. Check for adequate space inside the vial to extend the Custodion fiber without touching
the sides or bottom of the vial.
5. Depress the Custodion plunger to extend the fiber into the sample and start the timer.
Carefully swirl (agitate) the liquid sample in the vial around the SPME fiber to increase
contact of the fiber coating with as much of the total sample volume as possible, making
certain that the fiber coating is always covered with the liquid sample.