We do not offer international shipping to countries within the European Union
We can only ship non-hazardous products to Rest of World
Compare all Pack Sizes
We can only ship to Northern Ireland where a Royal Mail postal option has been chosen at checkout.
We can only ship to the following postcodes where a Royal Mail postal option has been chosen at checkout.
AB, DD, DG3, DG4, DG6 - DG9, EH, FK, G, HS, IM, IV, KA, KW, KY, ML, PA, PH, PO30 - PO41, TD, TR21 - TR25, ZE
Phenolphthalein Paper: Specially designed to detect weak to moderate alkalinity. Changing from white at pH 8.4 to red at pH 9.6, it provides clear and precise results, making it ideal for laboratory, industrial, and educational applications.
Convenient Form Factor: Supplied in books of 20 strips, with 10 books per pack (200 strips). Larger 10-pack options are also available, containing 10 packs of 10 books per box (2000 strips).
Precision and Quality: Phenolphthalein Paper ensures reliable performance for detecting pH levels in the range of weak to moderate bases, offering a distinct and accurate colour transition.
Crafted with high-quality, chemical-resistant materials, our Phenolphthalein Paper guarantees consistent quality and dependable results for professional use.
Alkalinity Detection
Ideal for detecting the presence of weak to moderate bases in solutions such as carbonates, mild cleaning agents, and industrial chemicals.
Laboratory Testing
Frequently used in laboratory settings to measure pH levels within its specific range, providing clarity in chemical experiments and analysis.
Educational Demonstrations
Perfect for teaching acid-base chemistry, helping students visualise and understand pH transitions in the alkaline range.
We can also accept a bank transfer (UK Only)