Liquid chromatography component
a technology of liquid chromatography and component, which is applied in the direction of instruments, multi-stage water/sewage treatment, separation processes, etc., can solve the problems of affecting the measurement or analysis, changing the supplied liquid pressure, and increasing the supplied liquid pressure, and achieve excellent separation performan
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example 1
(1) Preparation of Prefilter
[0047]A sintered stainless-steel fiber filter sheet with a thickness of 0.4 mm and a porosity of 70% was punched into a circular shape with a diameter of 9.0 mm to give a sintered stainless-steel fiber filter with a filtration area of 63.59 mm2. The sintered stainless-steel fiber filter sheet had a three-layer structure composed of: a filter layer (outer layer 1) with a pore diameter of 12 μm and a thickness of 0.1 mm; a filter layer (inner layer) with a pore diameter of 3 μm and a thickness of 0.2 mm; and a filter layer (outer layer 2) with a pore diameter of 12 μm and a thickness of 0.1 mm, stacked in this order. The obtained filter was subjected to a blocking treatment with bovine serum albumin, thereby preventing non-specific adsorption of hemoglobins.
[0048]The surface-treated filter was secured with a polytetrafluoroethylene packing and then housed in a polyether ether ketone holder with a thread portion that can be connected to a channel. Thus, a pr...
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