Johnson Analytica Phenolphthalein Test Papers provide a quick and convenient method for detecting alkaline conditions within the pH range of 8.4 to 9.6. Commonly used for identifying residual alkali following cleaning and sanitation procedures, these test papers are particularly useful in brewing, food production, water treatment and industrial process environments where rapid verification of rinse effectiveness is required.
The papers produce a clear colour change from white to pink when exposed to alkaline conditions, allowing users to quickly determine whether alkaline residues remain on equipment, pipework, vessels or processed surfaces. Supplied as 10 books of 20 strips, they offer a simple alternative to electronic pH measurement for routine screening and spot-check testing.
Key Benefits
Designed to detect alkaline conditions between pH 8.4 and 9.6
Ideal for checking for residual alkali after cleaning procedures
Fast visual colour change for quick interpretation
Suitable for brewing, food production, water treatment and industrial applications
Johnson Analytica Phenolphthalein Test Papers provide a quick and convenient method for detecting alkaline conditions within the pH range of 8.4 to 9.6. Commonly used for identifying residual alkali following cleaning and sanitation procedures, these test papers are particularly useful in brewing, food production, water treatment and industrial process environments where rapid verification of rinse effectiveness is required.
The papers produce a clear colour change from white to pink when exposed to alkaline conditions, allowing users to quickly determine whether alkaline residues remain on equipment, pipework, vessels or processed surfaces. Supplied as 10 books of 20 strips, they offer a simple alternative to electronic pH measurement for routine screening and spot-check testing.
Key Benefits
Designed to detect alkaline conditions between pH 8.4 and 9.6
Ideal for checking for residual alkali after cleaning procedures
Fast visual colour change for quick interpretation
Suitable for brewing, food production, water treatment and industrial applications
