"Janitorial Supplies"

Improves visibility in sodium and potassium flame tests.

The most widely used qualitative filter paper for routine applications.

Separate the different colors of a solution.

Perfect for your paper chromatography needs.

Whatman mixed cellulose ester membranes are composed of cellulose acetate and cellulose nitrate. These membranes are characterized by a smoother and more uniform surface than pure nitrocellulose filters.