You searched for: Test Papers

Supplier: VWR Chemicals

Indicator paper for testing across the complete pH range.

Supplier: VWR Chemicals

Supplied with certificate of analysis. Normally manufactured to order. Please check with customer services.

Supplier: VWR Chemicals

Dosatest strips incorporate a colour scale and are ideal for determining pH values for coloured solutions.

Supplier: VWR Chemicals

Duo indicator papers show two different colours for each pH value.

Supplier: VWR Chemicals

Non bleeding special indicator dyes that are covalently bound onto the reagent paper and then adhered to plastic strips.

Supplier: VWR Chemicals

These tri indicator papers show three different colours for each pH-value.

Supplier: VWR Chemicals

Supplied with certificate of analysis. Normally manufactured to order. Please check with customer services.

Supplier: VWR Chemicals

Dosatest test strips provide precise and rapid pH determination, with up to four different colour blocks for each pH value.

Supplier: VWR Chemicals

These rolls (4,8 m × 10 mm) have only 1 colour zone and are useful where high precision of measurement is not necessary.

Supplier: VWR Chemicals

Indicator Papers, Lead (II) acetate paper, strips, Plastic bottle

Supplier: VWR Chemicals

Each book contains 20 leaves measuring 2,5×0,5'' (Cobaltous chloride).

Supplier: Hach

Indicator paper, Hydrogen sulphide test papers for test kit HS-C

Supplier: MACHEREY-NAGEL

The 816 N version comes in a classic test paper reel. You can choose the required test paper length simply by tearing the paper. Thus, MN 816 N is especially suited to be dipped into solutions.

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.

Supplier: MACHEREY-NAGEL

The test is used for the quick and easy determination of the relative atmospheric humidity. The paper is simply exposed to the atmosphere in question. When the colour of the pad does not change anymore, the humidity can be read off.

Supplier: MACHEREY-NAGEL

These test papers allow quick and easy detection of hydrogen sulphide. This gas occurs in the processing of raw oil. It is toxic even in low concentrations. Therefore, critical points are carefully checked. Sulphide containing solutions also give a positive reaction.

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.

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.

Supplier: MACHEREY-NAGEL

These products are simple, completely impregnated indicator papers, which do not allow exact pH determinations, but pH adjustments during special chemical procedures. For this reason, no colour scale is provided with these papers.

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.

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.

Supplier: Whatman products (Cytiva)

Cytiva offers a range of pH indicator and test papers to meet specific needs. These high-quality products combine ease-of-use with unsurpassed accuracy and consistency.

Supplier: Whatman products (Cytiva)

Reel phenophthalein standard litmus paper.

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.

Supplier: Whatman products (Cytiva)

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

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.

Supplier: Whatman products (Cytiva)

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

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.

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.

Supplier: Merck

Traditional pH indicator test papers, supplied on a 4,8 metre roll, consisting of high quality filter paper impregnated with indicator and mixed indicator solutions then dried and cut to size.