Desorption tube kit GERSTEL-TDU (6x60mm) consisting of: 1 unit filled with Carbopack B+X, Carboxen 1000 1 unit filled with Carbopack C+B, Carbosieve SIII 1 unit filled with Tenax GR 1 unit filled with Carbopack B+X 1 unit filled with Tenax TA prcondition

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