Litmus paper is generally intended for single use and should be disposed of according to lab protocol after one test. Applications and Limitations
Used for testing the acidity of soil, water, household chemicals (like vinegar or baking soda), and even in medical settings to assess body fluid pH.
There are three main variations used in laboratories and educational settings: litmus paper
A more versatile option that can turn red in the presence of an acid or blue in the presence of a base. Testing Procedures
Record the color change immediately. Most changes occur within seconds. Litmus paper is generally intended for single use
Collect 2-3 drops of the sample in a clean vessel or well plate.
Primarily used to test for acids. It remains blue in basic or neutral solutions and turns red in acidic ones. Testing Procedures Record the color change immediately
The primary purpose of litmus paper is to provide a quick, qualitative assessment of a substance's nature. Unlike pH strips or digital meters, it does not provide an exact numerical pH value; instead, it indicates a range where a color change occurs, typically between pH 4.5 and 8.3. Turn blue litmus paper red . Bases: Turn red litmus paper blue .