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15:23 Jul 24, 2000
English to Portuguese translations [Non-PRO] Science
English term or phrase:sampling loop
Metodos de separação e extração química:
Static (equilibrium) headspace sampling involves equilibrating the headspace above a solid, semisolid or liquid sample, in a septum sealed vial under controlled conditions of temperature and agitation. After the required period of time needed for equilibration, a sample of the headspace is withdrawn using a gas-type syringe (or sampling loop) and injected into a Gas Chromatograph (GC, see side bar).