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2. Paper chromatography - Wikipedia

   en.wikipedia.org/wiki/Paper_chromatography

   Paper chromatography is one method for testing the purity of compounds and identifying substances. Paper chromatography is a useful technique because it is relatively quick and requires only small quantities of material. Separations in paper chromatography involve the principle of partition.

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6. Monolithic HPLC column - Wikipedia

   en.wikipedia.org/wiki/Monolithic_HPLC_column

   For this new observation, he coined the term “chromatography,” a colored picture. His first lecture on the subject was presented in 1903, but his most important contribution occurred three years later, in 1906, when the paper “Adsorption analysis and chromatographic method. Applications on the chemistry of chlorophyll,” was published.

7. Chromatography - Wikipedia

   en.wikipedia.org/wiki/Chromatography

   Paper chromatography is a technique that involves placing a small dot or line of sample solution onto a strip of chromatography paper. The paper is placed in a container with a shallow layer of solvent and sealed. As the solvent rises through the paper, it meets the sample mixture, which starts to travel up the paper with the solvent.

8. Whatman plc - Wikipedia

   en.wikipedia.org/wiki/Whatman_plc

   Whatman plc is a Cytiva brand specialising in laboratory filtration products and separation technologies.. Whatman products cover a range of laboratory applications that require filtration, sample collection (cards and kits), blotting, lateral flow components and flow-through assays and other general laboratory accessories.

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