Patent ID: 7803635
Filing Date: 2010-09-28
Classification: G01N,Y10T

Abstract:
1. A purge and trap concentrator system, comprising: (a) a system controller; (b) a first source of gas, which provides a first gas; (c) a plurality of fluidic control devices and a plurality of fluidic passages which fluidically connect said plurality of fluidic control devices; (d) a variable flow rate gas flow control valve that is controlled by a first signal from said system controller, said gas flow control valve having a first fluidic inlet and a first fluidic outlet which, under control of said first signal, acts to pass a gas flow therethrough, said first fluidic inlet being in fluidic communication with said source of gas and receiving said first gas, said first fluidic outlet dispensing a second gas when required by said first signal; (e) an external instrument, which includes second source of gas that supplies a third gas, said external instrument having a second fluidic outlet that supplies said third gas, and a second fluidic inlet; and (f) an analytic trap, having: (g) wherein, before a desorbtion procedure begins: (h) wherein, a desorbtion procedure begins, such that: