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These closures with molded Butyl/PTFE septa are only laminated with PTFE in the contact area with the sample
Phenols from water
The raw tubing is sold by the centimeter and is snipped to length with no additional cleaning or processing
TLC Micro-Set F2 is the advanced set 2 for science education
EC HPLC guard column (analytical), NUCLEOSIL 120-5 C4, 5 µm, 4x3 mm 1.10049.0001 These closures with molded Butyl/PTFEFor protection of your main HPLC column from contamination, it is recommended to use guard columns. These short columns are placed into a guard column holder. The guard column holder in combination with a guard column inside is installed between the injector and the HPLC column. This installation prevents chemical impurities to reach the main column. Because a contamination could form an irreversible bond with the column packing material (stationary
US$ 174.00
US$ 177.00