Filtration is the process of removing undissolved particles from liquid (1-100ml) or gas samples.
Filtration is carried out in the sample preparation stage of different analytical instruments such as GC, ICP, AA, TOC, IR, NMR and spectroscopy, especially HPLC and UHPLC.
Filtering sample and mobile phase solutions prior to analysis is important in order to prevent column and frit clogging, to protect device parts such as detectors, pumps, valves and to prevent high working pressures. Failure to perform proper filtration may also result in low analytical reproducibility results and technical failures in the instrument. It is recommended to apply filtration in the sample preparation step, to obtain accurate analytical results, to prolong the column life at which chromatographic separation takes place and to protect your device.
Syringe Tip Filter Selection:
In the selection of filters to be used in sample filtration, sample volume and column filler size are taken into consideration. The diameter of the filter should be chosen according to the sample volume to be filtered and the pore size should be selected according to the work to be performed and the size of the column filler used.
The sample volume and the size of the column filler are taken into account in the selection of syringe filters to be used for sample filtration.
Selection of Millex Filter Size
Numune Miktarı | Millex Filtre Çapı |
< 1mL | 4 mm |
1-10mL | 13 mm |
10-100mL | 25 mm |
10-100mL | 33 mm |
High Flow Rate
33 mm diameter Millex® filters have 20% larger surface area than 25 mm diameter filters. Therefore, the sample with a significantly higher flow rate and filtration capacity
filtering.
Stems
High density polyethylene or polypropylene
High throughput
Thanks to a maximum body pressure of 10 bar, it enables faster filtration of solutions.
Different Membrane Options
Low Soluble Material, Low Binding
Different membrane and body alternatives guarantee chemical compatibility with a wide range of samples and solvents.
Membrane Types
Durapore PVDF (Poliviniliden Diflorür)
Application Areas
Express Plus PES (Poliestersülfon)
Application Areas
Fluoropore Hidrofobik PTFE (Politetrafloroetilen)
Application Areas
Nylon Membrane Filter
Application Areas
Hidrofilik PTFE (Politetrafloroetilen)
Application Areas
Filtration of Multiparticulate / Viscous Samples
HPF Millex filters are multi-layered. It is a grade pre-filter and membrane filter that allows high-efficiency filtration of viscous or high particle load samples.
Applications
Membranes
Grade glass fiber prefilter and different membrane filter alternatives: