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closure 702026
70424-67-8
These products combine a coarse glass fiber prefilter and a small-pore polytetrafluoroethylene membrane as main filter
Closure is laminated with Polyimide (fluorine-free) instead of PTFE
Cuprotesmo allows the quick and easy detection of copper(I) and copper(II) ions
Syringe filters (combi), CHROMAFIL Xtra GF / PA, 25 mm, 1 µm / 0.2 µm 010059 closure 702026Combi syringe filters are recommended for solutions with a high load of particulate matter or for highly viscous solutions. These products combine a coarse glass fiber prefilter and a small pore polyamide membrane as main filter. The rather hydrophilic PA membrane is for filtration of medium polar organic aqueous liquids. Labeled for method validation and certification. All CHROMAFIL filters are autoclavable (121 C and 1. 1 bar for 30 min)! Technical