339 Results for: "Test Strips"

Supplier: MACHEREY-NAGEL

Saltesmo test discs are frequently used for the determination of salt (NaCl) in foodstuffs and in sea water. All reagents are impregnated on the paper, making the test very easy to use even for untrained persons.

Supplier: Cayman Chemical

A sensitive detection method for measuring both the free acid and ethyl amide forms of 17-phenyl trinor PGF_2α.

Supplier: Roth Carl

Test sticks for semi-quantative analysis of different substances.

Supplier: MACHEREY-NAGEL

The test paper allows the quick and easy detection of water and water vapor.

Supplier: MACHEREY-NAGEL

This test paper allows the quick and easy detection of Copper(I) and Copper(II) ions.

Supplier: MACHEREY-NAGEL

The test paper allows the quick and easy detection of sperm. In criminal investigations it is used as a rapid screening test.

Supplier: MACHEREY-NAGEL

This test paper allows the reliable detection of nitrate and nitrite. It shows different colours for the two ions.

Supplier: MACHEREY-NAGEL

The test paper allows the quick and easy determination of the water distribution in butter. It is a special presentation of Watesmo for the dairy industry.

Supplier: MACHEREY-NAGEL

The test paper allows the quick and easy detection of the pH of milk. It is used as a screening test on mastitis. Milk of infected cattle must not be sold.

Supplier: MACHEREY-NAGEL

This test paper allows the quick and sensitive detection of blood traces. In criminal investigations it is used as a rapid screening test.

Supplier: MACHEREY-NAGEL

This test paper allows the rapid detection of Bismuth. In the presence of Bismuth ions (Bi³⁺) it shows an orange-red discolouration on a pale-yellow background.

Supplier: MACHEREY-NAGEL

This test paper allows the quick and easy detection of peroxidase in food. It is used in the food processing industry to evaluate the quality of canned food.

Supplier: MACHEREY-NAGEL

The test paper allows the quick and easy detection of lead (Pb) on surfaces including metal surfaces, dishes, ceramics and toys. In criminal investigations it is used to search for traces of bullets.

Supplier: MACHEREY-NAGEL

The test paper allows the quick and easy detection of aluminium. In the presence of aluminium (Al^₃₊) the paper shows bright red spots on a yellow background.

Supplier: MACHEREY-NAGEL

The test paper allows the easy and reliable 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.

Supplier: Whatman products (Cytiva)

Owing to their extremely high purity our seed testing papers provide reliable and reproducible results. The papers are made from pure cellulose without any additives and do not contain any substances that could influence the growth of the seeds. The constant water absorption of the papers ensures the continuous provision of the required amount of water.

Supplier: MACHEREY-NAGEL

This test paper allows the quick and easy detection of hydrocyanic acid and cyanides in aqueous solutions and extracts. They are for example formed in the manufacture of fruit brandies and are toxic even in low concentrations.

Supplier: MACHEREY-NAGEL

The test paper allows the sensitive and specific detection of Fe(II) ions. Even small amounts of Fe(II) can safely be detected in presence of large amounts of Fe(III).

Supplier: MACHEREY-NAGEL

The test paper allows the quick and easy detection of Antimony [Sb(III)]. In the presence of Antimony [Sb(III)] it shows orange-red spots on a yellow background. Pentavalent Antimony Sb(V), has to be reduced to Sb(III) with metallic Magnesium.

Supplier: MACHEREY-NAGEL

This test paper allows the easy detection of arsine (AsH₃) in the gas phase. Arsenic in solutions has to be converted into AsH₃ with Zn/acid and purged from the solution. The Arsine is detected directly at the boundary layer between water and air.

Supplier: MACHEREY-NAGEL

This test paper allows the specific detection of lactoperoxidase in milk. In the dairy industry the test is used for the quick and easy quality control of highly heated milk. In contrast to the alternative guaiacol method, Peroxtesmo MI is odourless and non-toxic.

Supplier: MACHEREY-NAGEL

This test paper allows the quick and easy detection of Cobalt (Co²⁺). For non-destructive testing of materials apply a drop of acid solution (50 ml hydrogen peroxide 3% + 7,5 ml O-phosphoric acid 85% + 5 ml hydrochloric acid 37 %) to the degreased surface.

Supplier: MACHEREY-NAGEL

The test paper can be used for the rapid detection of Ammonium ions as well as for gaseous Ammonia. The white paper turns brownish-yellow in the presence of Ammonium ions or NH₃.

Supplier: MACHEREY-NAGEL

The white paper turns dark blue in the presence of Cl₂. The test is particularly suitable for high range applications in disinfectant solutions which are for example used in food and beverage industry and animal farms.

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

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

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: Sartorius

These papers satisfy the requirements for the determination of germination capability according to ISTA (International Seed Testing Association) and are ideal for ensuring optimal moisture content for the most diverse types of seeds and germination forms.

Supplier: MACHEREY-NAGEL

This portable laboratory case contains all reagents, instruments and accessories required for the preparation of soil extracts and the subsequent analysis of phosphate (P), potassium (K), ammonium, nitrate, nitrite (N), soil structure and pH.

Supplier: Brand

This film is ideal for PCR, ELISA and sample storage. Due to its adhesive, it can be used down to –80 °C, is DMSO resistant and resistant to common solvents.