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We do not offer international shipping to countries within the European Union

We can only ship non-hazardous products to Rest of World

Comparator Paper pH 4.0 - 7.0, 100 strips per pack

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Price: £3.81

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Stock Availability

On Shelf - Approx. UK delivery date: Friday the 03rd October 2025*

In bulk stock - ships within 10 - 12 Working Days (Excluding weekends and public holidays)

4 to 6 weeks approx. (Not guaranteed)

UK Shipping

Unfortunately, we are not currently accepting orders for Northern Ireland, Jersey and Guernsey.

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

* We will always try to ship as early as possible. Delivery could be much quicker than stated but is not guaranteed

Description

General

Comparator Paper: Johnsons Test Papers offer one of the most trusted and versatile comparator papers available. Suitable for use in laboratories, industrial applications, water treatment, and education, they provide a reliable method for comparing colours against a standard reference chart to determine chemical characteristics of a solution.

Convenient Form Factor: Comes in packs of 100 Strips. Larger packs are available with 1000 Strips

pH Range: With a pH range of 4.0 - 7.0, Johnson's test papers provide a practical solution for measuring the acidity of various liquids.

Our test papers are sourced and packaged in non-toxic, chemical-resistant materials to guarantee consistent quality and reliability for our customers.

Frequent Uses

Chemical Analysis:
Ideal for comparing colour changes in solutions to reference charts for quick and accurate assessments in laboratory or field settings.

Water Quality Testing:
Commonly used to evaluate water conditions such as hardness, chlorine levels, or other chemical parameters in drinking water, wastewater, or aquatic environments.

Education and Demonstrations:
A valuable teaching aid for visually demonstrating chemical reactions and changes in educational environments.

Industrial Monitoring:
Used to track chemical characteristics during manufacturing processes, including in food production, water treatment, and industrial cleaning.