For more than sixty years, Johnson Test Papers have been producing an expansive collection of pH indicator papers and test strips in the United Kingdom. The use of these products is vast and they provide precise and instantaneous results. They are compact, convenient and economical making them appropriate for research and development. We manufacture products for specific areas such as detection and indication papers as well as general tests for acidity and alkalinity with the wide and narrow range indicator papers. Johnson Test Papers are used in schools, universities, hospitals, research laboratories and highly skilled disciplines throughout the world.

pH indicator papers furnish an instantaneous colour change both cost-effectively and effortlessly.

Universal Indicator Paper pH 1-11 and pH 1-14

A solution’s pH can be obtained immediately and accurately with Universal Indicator paper. It is well established in education, laboratory and chemical manufacturing.

Litmus Blue Indicator Paper

Where no precise pH value is required, the presence of acid in a solution can be tested with Litmus Blue. The education sector has a well documented use of Litmus Blue.

Litmus Red Indicator Paper

Where no precise pH value is required, the presence of alkalinity in a solution can be tested with Litmus Red. The education sector has a well documented use of Litmus Red

Litmus Neutral Indicator Paper

Where no precise pH value is required, the presence of acid or alkalinity in a solution can be testes with Litmus Neutral.  As well as the education sector, it also has its uses in research laboratories.

Comparator Indicator Papers

These papers measure pH changes of less than 1 unit. They are otherwise similar to Universal Indicator Papers. The pH value of a solution can be determined quickly with Comparator Paper