SPME-Stableflex fiberkit, 23 gauge 4 fibers - 50/30 µm Divinylbenzene/Carboxen - 65 µm Polydimethylsiloxane/Divinylbenzene - 85 µm Carboxen/Polydimethylsiloxane - 70 µm Carbowax/Divinylbenzene

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