the object of the application is prekoncentrator sample gas, which is a structure (1), consisting of at least four ceramic layers organic film (2) grouped together, with two main foils (2) is made spiral mikrokanau0142 (3) of size and smooth u017anie respectively suited to the type of substance used adsorptive surface.at the end of which are: inlet openings (4) and outlet (5) and located on both sides mikrokanau0142u (3) radiators: upper (6) and the bottom (7). prekoncentrator is characterized by the fact that the radiator (6 and 7) is a ceramic plate.
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