Litmus Paper [ INSTANT • 2024 ]

Primarily used to test for bases. It remains red in acidic or neutral solutions and turns blue in alkaline ones.

Collect 2-3 drops of the sample in a clean vessel or well plate.

Generally do not change the color of red or blue litmus paper, though dedicated purple litmus paper exists for this purpose. Types of Litmus Paper litmus paper

Standard testing requires careful handling to avoid contamination.

Primarily used to test for acids. It remains blue in basic or neutral solutions and turns red in acidic ones. Primarily used to test for bases

Use clean forceps or a glass rod to apply the sample, or dip one end of the paper strip into the liquid.

There are three main variations used in laboratories and educational settings: Generally do not change the color of red

A more versatile option that can turn red in the presence of an acid or blue in the presence of a base. Testing Procedures