3231 Results for: "MACHEREY-NAGEL"

Supplier: MACHEREY-NAGEL

The Column Protection System guard column holder is used for the installation of NUCLEODUR®, NUCLEOSIL®, NUCLEOSHELL® or UNIVERSAL RP guard columns (EC system) at analytical HPLC columns with ¹/₁₆" fittings.

Supplier: MACHEREY-NAGEL

These syringe filters are used for filtration of suspended matter from liquid samples.

Supplier: MACHEREY-NAGEL

Ready assembled snap ring closures made of polyethylene are available for the snap ring vials.

Supplier: MACHEREY-NAGEL

These chromatography vial racks are used for a safe standing position of the vials on the lab bench.

Supplier: MACHEREY-NAGEL

MN 615 is the most widely used general purpose filter paper with medium retention and flow rate. This filter paper covers a wide range of laboratory applications and is frequently used for clarifying liquids.

Supplier: MACHEREY-NAGEL

Phosphate-free smooth filter papers for soil analysis.

Supplier: MACHEREY-NAGEL

Polymer-based SPE phases for RP and ion chromatography.

Supplier: MACHEREY-NAGEL

The highly polymeric binder used for these sheets is stable in almost all organic solvents and resistant towards aggressive visualisation reagents. It is also completely stable in purely aqueous eluents.

Supplier: MACHEREY-NAGEL

These vials are used for storage of liquid samples.

Supplier: MACHEREY-NAGEL

These test strips are for the fast and reliable determination of Ammonium, respectively Ammonia, in solutions. The easy dip-and-read procedure provides safe results within 40 seconds. Ammonium/Ammonia is harmful to fish and other aquatic life in aquariums. This test shows the amount of Ammonium quickly and easily.

Supplier: MACHEREY-NAGEL

NUCLEODUR® NH2 and NH2-RP are aminopropyl modified silica phase for HPLC.

Supplier: MACHEREY-NAGEL

This is a transparent paper, smooth on both sides, which can be used as substitute for weighing boats. The smooth surface of the paper guarantees that the weighed goods can be transferred without loss.

Supplier: MACHEREY-NAGEL

This test strip allows the specific detection of alkaline phosphatase in milk. In the dairy industry the test is used for the quick and easy quality control of pasteurised milk.

Supplier: MACHEREY-NAGEL

MN 85/70 is slightly less retentive than MN 85/90, lighter and thinner. The filter contains an organic binder for high mechanical strength.

Supplier: MACHEREY-NAGEL

These quantitative filter papers are made from refined pulp and linters. They are purified in a highly developed clean-up process to remove organic and inorganic impurities. This ensures a low ash content of <0,01 %. They are consistent performance and give safe results in gravimetric analyses.

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

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

Supplier: MACHEREY-NAGEL

Photometric test kits for the determination of phosphates (ortho); phosphates (total) in water samples.

Supplier: MACHEREY-NAGEL

Unmodified standard silica layers for TLC.

Supplier: MACHEREY-NAGEL

The MN 85/90 grade is the most widely used, general purpose glass fiber filter with very good mechanical stability. The filter contains an organic binder.

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

Accessory for test kit, Reaction tubes ID 14 mm

Supplier: MACHEREY-NAGEL

Reagents for the determination of hardness in water samples.

Supplier: MACHEREY-NAGEL

Reagents for the determination of nitrite in water samples.

Supplier: MACHEREY-NAGEL

Reagents for the determination of pH in water samples.

Supplier: MACHEREY-NAGEL

Photometric test kit for the determination of ozone; chlorine (total) and chlorine (free) in water samples.

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.