2269 Risultati per: "MACHEREY-NAGEL"

Supplier: MACHEREY-NAGEL

MN GF-1 is a binder-free glass fiber filter paper that offers fine particle retention, high flow rate and good loading capacity. It is used for high efficiency laboratory filtration as well as air sampling. It is manufactured from borosilicate glass fiber and is resistant towards most organic and inorganic solvents.

Supplier: MACHEREY-NAGEL

This crimp neck vial has a usable volume of 2 ml.

Supplier: MACHEREY-NAGEL

The VISOCOLOR® testkits are devided into VISOCOLOR® alpha, ECO and HE. Every product range offering its specific strenght to provide a tailored test for each and every user and application.

Supplier: MACHEREY-NAGEL

CHROMABOND® QuEChERS mixes with special diamino silica phase are suitable for determination of pesticides in food samples. These remove polar compounds (organic acids, pigments, sugars) from matrices like fruit or vegetables.

Supplier: MACHEREY-NAGEL

These glass plates with a special layer are used for TLC enantiomer separations (e.g. amino acids, thiazolidine derivatives, dipeptides, lactones, α-hydroxycarboxylic acids).

Supplier: MACHEREY-NAGEL

Native fibrous cellulose, purified grade (washed with different eluents) with average degree of polymerization 620–680.
Grade MN 2100ff is a defatted cellulose MN 2100 with a dichloromethane extract <0.02%.

Supplier: MACHEREY-NAGEL

TLC plates and sheets are used for the separations of alkaloids, steroids, aliphatic and aromatic compounds.

Supplier: MACHEREY-NAGEL

CHROMABOND®, Adapters (PVDF) for glass columns (3 and 6 ml)

Supplier: MACHEREY-NAGEL

CHROMABOND® SiOH-H₂SO₄/SA is a combination phase for SPE analysis of PCBs.

Supplier: MACHEREY-NAGEL

CHROMABOND® C18 Hydra is a special octadecyl modified silica phase for more polar analytes in SPE.

Supplier: MACHEREY-NAGEL

CHROMABOND® C4 is a butyl modified silica phase for SPE.

Supplier: MACHEREY-NAGEL

Polymer based phases for size exclusion chromatography (SEC) or gel permeation chromatography (GPC) of water insoluble substances.

Supplier: MACHEREY-NAGEL

Polymeric HPLC phases based on sulphonated spherical PS/DVB resins in different ionic forms for the separation of sugars and organic acids.

Supplier: MACHEREY-NAGEL

NUCLEOSIL® CN and CN-RP are cyano (nitrile) modified silica phases for HPLC.

Supplier: MACHEREY-NAGEL

Ferrules for the connection of capillary GC columns.

Supplier: MACHEREY-NAGEL

Cyclodextrin modified silica phases for HPLC enantiomer separation. These phases are especially suited for the control of optical purity and for the analysis of positional and cis-trans isomers.

Supplier: MACHEREY-NAGEL

These shell vials for HPLC analyses have the advantage of an easy handling.

Supplier: MACHEREY-NAGEL

CHROMABOND® C8 is an octyl modified silica phase for SPE.

Supplier: MACHEREY-NAGEL

These strips are used for quick and easy determination of water qualities in swimming pool. The test provides valuable results about the water hardness, the total alkalinity, free and total chlorine and pH.

Supplier: MACHEREY-NAGEL

Irregular silica phase for analytical HPLC.

Supplier: MACHEREY-NAGEL

NUCLEOSIL® SiOH is an unmodified silica phase for HPLC.

Supplier: MACHEREY-NAGEL

Universal capillary glass connectors, linear, Vetro

Supplier: MACHEREY-NAGEL

Medium polar GC phase.

Supplier: MACHEREY-NAGEL

Eluent reservoir 2 l with adapter, covered with a protective plastic sleeve for burst protection

Supplier: MACHEREY-NAGEL

Accessory for test kit, Glass cuvettes, 50×12 mm

Supplier: MACHEREY-NAGEL

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

Supplier: MACHEREY-NAGEL

Photometric test kit for the determination of chlorine in water samples.

Supplier: MACHEREY-NAGEL

Photometric test kit for the determination of zinc in water samples.

Supplier: MACHEREY-NAGEL

Dimethyl-modified standard silica layers available as glass plates or ALUGRAM® aluminium sheets. Recommended for active plant constituents and steroids.

Supplier: MACHEREY-NAGEL

The test paper allows the quick and easy detection of Potassium. Rubidium, Cesium and Thallium(I) give the same reaction. Sodium and heavy metal ions decrease the sensitivity.