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Knowledge Center

Knowledge Center

Selection and use guides for filtration and sample preparation consumables, written around the decisions a laboratory actually has to make.

8 Articles

All Guides

Product Guide

How to Choose A Syringe Filter Membrane

Most filter selection mistakes happen because the analyst picks a pore size first and a membrane second. The membrane decides whether the filter…

Buying Guide

Syringe Filter Pore Size and Diameter Guide

A membrane that reacts with the solvent will degrade, shed extractables, or collapse, leading to baseline noise in HPLC or GC runs. Choose the…

Material Guide

Membrane Filter Material Selection Guide

Regenerated cellulose (RC) membrane offers ultra-low non-specific binding and minimal extractables, making it ideal for trace-level analysis and…

Product Guide

Autosampler Vial and Closure Selection Guide

The 8-425 and 9-425 neck types are standard for HPLC and GC autosamplers from Agilent, Shimadzu, and Waters. Using the wrong neck size causes…

Process Guide

SPE Column Selection Guide

The right SPE column depends on the sample type and the analyte's chemical nature. For acidic compounds in biological fluids, use C8/SAX. For basic…

Installation Guide

Vacuum Filtration Setup Guide

The Soxhlet extractor uses solvent reflux and siphon action to continuously extract compounds from solid materials. A pure solvent is heated,…

Product Guide

Industrial Cartridge and Capsule Filter Guide

Meltblown PP cartridges use a three-zone structure with randomly fused polypropylene fibers. The outer layer has lower density for initial particle…

Buying Guide

Labware Consumables Buying Guide

For adherent cells, use tissue culture treated surfaces with hydrophilic treatment to ensure strong initial attachment and proliferation. For…

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