2450 Results for: "MACHEREY-NAGEL"

Supplier: MACHEREY-NAGEL

MN 617 is a fast filter paper with excellent retention of coarse particles and gelatinous precipitates. This soft filter paper is used for example in routine clean up of biological or organic solutions.

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

This paper is especially used in water treatment facilities for example for the determination of suspended solids.

Supplier: MACHEREY-NAGEL

Methylation with TMSH is recommended for free acids, chlorophenoxycarboxylic acids, their salts and derivatives as well as for phenols and chlorophenols. Lipids or triglycerides can be converted to the corresponding fatty acid methyl esters (FAMEs) by a simple transesterification.

Supplier: MACHEREY-NAGEL

QUANTOFIX® test strips meet all requirements of a modern rapid test. The colour of the reactive pad changes depending on the concentration of an analyte in the sample. The evaluation is usually carried out visually by comparison of the reaction colour with a multi-stage colour scale. These test strips are immediately ready-to-use. They do not require additional accessories. The test strips are intended for single use, maintenance or calibration are not required.

Supplier: MACHEREY-NAGEL

A pre-dosed NANOCOLOR tube test for photometric determination of chlorine in water.

Supplier: MACHEREY-NAGEL

CHROMABOND® Flash DL cartridges (empty columns) can be used to pack individual adsorbents.

Supplier: MACHEREY-NAGEL

These screw neck vials are preferential used for VOC and TOC analyses.

Supplier: MACHEREY-NAGEL

These screw neck vials are characterized by a wide opening and a short thread.

Supplier: MACHEREY-NAGEL

Broad range of different crimp caps with mostly assembled septa, stoppers and PE caps are available for the crimp neck vials.

Supplier: MACHEREY-NAGEL

Photometric test kits for the determination of nitrite in water samples.

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

Octadecyl-modified HPTLC silica layers available as glass plates or ALUGRAM® aluminium sheets. Recommended for aminophenol, barbiturates, preservatives, nucleobases, polycyclic aromatic, hydrocarbons, steroids, tetracyclines, and plasticisers (phthalates).

Supplier: MACHEREY-NAGEL

These screw neck vials are characterised by a small opening and 8-425 thread.

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

Hard granular magnesia silica gel: MgO (15,5 ±0,5%) SiO₂ (84,0 ±0,5%) Na₂SO₄ (≤1,0%) 60/100 mesh.

Supplier: MACHEREY-NAGEL

Test kit, Phosphate, QUANTOFIX®, Range: 0 - 100 mg/l PO₄3-

Supplier: MACHEREY-NAGEL

These products are used in testing the resistance of pathogens to antibiotics. For this test the filter paper sections can be impregnated with the antibiotic to be tested and placed on the inoculated nutrient medium. Depending on the effectiveness, a smaller or larger zone of inhibition is formed.

Supplier: MACHEREY-NAGEL

Filter paper, qualitative, Grade MN 514 ¹/₄, 320 mm

Supplier: MACHEREY-NAGEL

QUANTOFIX® test strips meet all requirements of a modern rapid test. The colour of the reactive pad changes depending on the concentration of an analyte in the sample. The evaluation is usually carried out visually by comparison of the reaction colour with a multi-stage colour scale. The test strips are intended for single use, maintenance or calibration are not required.

Supplier: MACHEREY-NAGEL

Determination of sulphate by turbidity measurement.

Supplier: MACHEREY-NAGEL

Bonded and ready assembled screw closures are available for these crimp neck vials.

Supplier: MACHEREY-NAGEL

Vial insert, 0,25 ml, Glass, Clear, Ø×H: 6×31 mm, Conical bottom, Non sterile, Cap included: No

Supplier: MACHEREY-NAGEL

NUCLEOSIL® C18 are octadecyl modified silica phases for HPLC.

Supplier: MACHEREY-NAGEL

In ammonia solution, nickel ions react with diacetyldioxime after oxidation with bromine to form a reddish-brown dye.

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

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

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

Photometric test kits for the determination of total nitrogen in water samples.

Supplier: MACHEREY-NAGEL

Photometric test kits for the determination of sulphate in water samples.