Whatman Paper Filtration 101 – Part 1: Introduction

Choosing the right filter paper helps make filtration more efficient, but how do your workflow and the nature of your samples affect filter paper selection?

Scientists have used filter papers to separate solids from liquid for many years. Although alternative separation techniques have been developed, filter papers remain an effective, frequently used technique, both in industry and in research.

At first glance, filtration appears to be a simple technique, however, there are many ways to carry out paper filtration. By understanding the basics, you will often find there are simple changes to improve the quality or speed of your filtration.

In this series of blogs, we’ll discuss some initial considerations (below), the properties of filter paper, handling and folding, and selecting appropriate paper for your sample.