2452 Results for: "MACHEREY-NAGEL"

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

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

Supplier: MACHEREY-NAGEL

The crimp caps with assembled septa are ready-to-use.

Supplier: MACHEREY-NAGEL

Valco fittings for general use, PFTE/glass fibre

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

Amino-modified HPTLC silica layers are available as glass plates or ALUGRAM® aluminium sheets. They are ideal for the separation of vitamins, sugars, steroids, purine derivatives, xanthines, phenols, nucleotides, and pesticides.

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

Cyano-modified HPTLC silica layers available as glass plates or ALUGRAM® aluminium sheets recommended for steroid hormones, phenols and preservatives.

Supplier: MACHEREY-NAGEL

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

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 sulphide in water.

Supplier: MACHEREY-NAGEL

Polar GC phase.

Supplier: MACHEREY-NAGEL

Medium polar GC phases with autoselectivity.

Supplier: MACHEREY-NAGEL

CHROMABOND® PTS and CHROMABOND® PTL columns are designed for the separation of a two-phase mixture without a separation funnel.

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

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.

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

Medium polar GC phase.

Supplier: MACHEREY-NAGEL

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

Supplier: MACHEREY-NAGEL

CHROMABOND®, PE frits for PP columns, 70 ml

Supplier: MACHEREY-NAGEL

Colorimetric determination of sulphide by DPD method.

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® 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

Celite® 535, filter aid

Supplier: MACHEREY-NAGEL

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

Supplier: MACHEREY-NAGEL

Nonpolar GC phase with ultra-low bleeding.

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.