pH Indicator Papers and Test Strips

The pH indicator strips measure phosphate content levels through rapid colorimetric reactions. Narrow, intermediate, or universal range options are ready for immediate quantitative testing and feature different graduated intervals for accurate assessments. After immersing pH indicator strips in solutions and samples, simply match the produced color with the charts provided. Compact litmus paper tests can be carried in the field for on-site testing in addition to testing in the laboratory.

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VWR® DOSATEST® Semi-Quantitative Test Strips Ammonia Test

Supplier: VWR Chemicals

Ammonia test strips are for the fast and reliable determination of ammonium, respectively ammonia, in solutions.

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VWR® DOSATEST® Test Strips, Nitrite 25

Supplier: VWR Chemicals

Dosatest® Nitrite 25 test strip enables fast and precise determination of nitrite in liquids.

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pH indicator papers, universal/special

Supplier: MACHEREY-NAGEL

pH indicator papers have been available for decades and are the standard for many applications. For each pH value these papers show a single colour which can be matched with the colour scale at intervals of 0,2 to 1 pH units.

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pH Indicator Papers, Duotest and Tritest

Supplier: MACHEREY-NAGEL

By the combination of several indicators on one test paper, a better recognition between different pH values is achieved. This makes the correct pH reading easier.

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pH-Fix pH Indicator Test Strips

Supplier: MACHEREY-NAGEL

pH-Fix indicator test strips allow fast pH testing directly at the point of interest, and are suitable for untrained users as well as analytical professionals.

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pH indicator paper, phenolphthalein, Whatman™

Supplier: Whatman products (Cytiva)

Reel phenophthalein standard litmus paper.

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PEHANON® pH Indicator Test Strips

Supplier: MACHEREY-NAGEL

PEHANON® are special pH test strips that unify the pH indicator and the reference colours on one strip. Any sample colour has the same effect on both the reference colours and the reactive pad. Users can be sure to get accurate readings.

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pH Papers, without Colour Scale

Supplier: MACHEREY-NAGEL

Easy to use pH papers to control pH adjustments.

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Litmus test papers, Whatman™

Supplier: Whatman products (Cytiva)

Blue litmus and red litmus papers facilitate a general test for acid or alkaline reaction. The change occurs around pH 5 to 8. They are particularly recommended for educational use.

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pH Indicator papers, in Books, Whatman™

Supplier: Whatman products (Cytiva)

These pH indicators have been impregnated with a mixture of several indicators. On contact with the sample solution they assume a particular colour. A check against the colour comparison table supplied allows the pH to be determined.

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pH indicator strips, Whatman™

Supplier: Whatman products (Cytiva)

Universal indicator strips which have been impregnated with a mixture of several indicators. On contact with the sample solution they assume a particular colour. A check against the colour comparision table supplied allows the pH to be determined.

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pH indicators with integral comparison strips, Whatman™

Supplier: Whatman products (Cytiva)

Can be used for the rapid determination of pH values has led to many applications in laboratories and industry.

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pH indicator papers, Whatman™

Supplier: Whatman products (Cytiva)

Can be used for the rapid determination of pH values and has led to many applications in laboratories and industry. Available as standard or three colour ranges as rolls in a handy dispenser.

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pH indicator papers, rolls, Whatman™

Supplier: Whatman products (Cytiva)

Universal indicator papers which have been impregnated with a mixture of several indicators. On contact with the sample solution they assume a particular colour. A check against the colour comparision table supplied allows the pH to be determined.