Carbowax-Polyethylene Glycol (PEG) fibers, polar

Recommended for extraction of alcohols and polar compounds (MW 40-275)

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57355-U SPME fiber assembly, Carbowax-Polyethylene Glycol (PEG) Coating needle size 23 ga, df 60 μm, metal alloy fiber, for use with manual holder
57354-U SPME fiber assembly, Carbowax-Polyethylene Glycol (PEG) Coating needle size 23 ga, df 60 μm, for use with autosampler