Yes, all solvents that not compatible with PEEK should not be used. They include: DMSO, Methylene Chloride and concentrated THF. Click here to view more information about pre-column filters for HPLC
Category: Pre Column HPLC Filters FAQ
Can I change the filter element in the pre-column filter for HPLC?
No, there is no need to replace the element. When the unit is ready to replaced, simply dispose of it. It will be destroyed if you open it. Click here to view more information about pre-column filters for HPLC
Can the pre-column filters replace my HPLC guard columns?
No, a guard column is both a particulate filter (non dissolved chemicals) and a chemical filter (removes dissolved chemicals). The pre-column filter is a particulate filter and adds extra protection of your expensive analytical and guard columns Click HERE for Column Protection Ordering Information including Column Pre-Filters
Do I need any special fittings to use the pre-column filter with my current HPLC Column?
No, the pre-column filter is completely compatible with 1/16th 10-32 internal fitting ports. Finger tighten the pre-column filters right into the inlet side of the guard or analytical column (universal fit) and a finger tight male nut to hold your stainless or PEEK tubing is inserted into the inlet side of the pre-column filter. Click […]
Do you have a 10um mesh size available for the Pre-Column Filter?
No, we only have the Pre-Column Filter available in the following mesh sizes: • 2um stainless steel mesh: Catalog Number 49650-020 • 0.5um stainless steel mesh: Catalog Number 49650-005 HPLC Column Protection
What is the filter element inside the pre-column filters for HPLC columns made from?
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What is the maximum pressure the pre-column filters for HPLC should be used with?
5,000 psi is the normal rating of these filters. Click here to view more information about pre-column filters for HPLC
What is the pore size of the filters in the pre-column filters for HPLC?
They come in either 0.5 µm or 2.0 µm. Click here to view more information about pre-column filters for HPLC
What is the pre-column filter for HPLC body made from?
PEEK and the stainless steel filters element are the only materials in the pre-column filters for PLC columns. Click here to view more information about pre-column filters for HPLC
What is the thickness of the SS filter frit or screen in the pre-column filters for HPLC?
The filter frit or screen is 0.039″ thick. Click here to view more information about pre-column filters for HPLC
Will the pre-column filters for HPLC change my current HPLC results?
No, the PreColumn filter will have not effect on the chromatography. It will protect the column from dust, un dissolved salts, pump seal particles or dirt that passes from the HPLC pump into a column. Click here to view more information about pre-column filters for HPLC