4038 Ergebnisse für: "MACHEREY-NAGEL"

Supplier: MACHEREY-NAGEL

Diese quantitativen Filterpapiere werden aus raffiniertem Zellstoff und Linter hergestellt. Sie werden in einem hochentwickelten Reinigungsverfahren gereinigt, um organische und anorganische Verunreinigungen zu entfernen. Dies gewährleistet einen niedrigen Aschegehalt von <0,01 %. Sie bieten eine konstante Leistung und liefern sichere Ergebnisse bei gravimetrischen Analysen.

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

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

MN 85/90 ist der meist verwendete Glasfaserfilter, allgemein einsetzbar, mit sehr guter mechanischer Stabilität. Der Filter enthält ein organisches Bindemittel.

Supplier: MACHEREY-NAGEL

Unmodified standard silica layers for TLC.

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

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

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

Supplier: MACHEREY-NAGEL

Dieses Papier findet häufig Anwendung in Kläranlagen, um zum Beispiel abfiltrierbare Stoffe und suspendierte Feststoffe zu bestimmen.

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

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

Supplier: MACHEREY-NAGEL

Accessory for test kit, Reaktionsröhrchen mit 14 mm Innen-Ø

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

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. QUANTOFIX® 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

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

The magnetic screw closures are ready assembled with septa suitable for headspace GC.

Supplier: MACHEREY-NAGEL

These manual crimping tools with ergonomically designed handles are more lightweighted than complete steel crimpers.

Supplier: MACHEREY-NAGEL

Diese Bördelrandgläschen mit flachem oder gerundetem Boden sind für zahlreiche Autosampler geeignet.

Supplier: MACHEREY-NAGEL

Semi-quantitative test strips for reliable determination of chlorine concentrations as low as 0,05 mg/L (ppm). A hole in the plastic carrier allows the water to migrate through the test pad increasing the sensitivity by a factor of nearly 10. Ideal for rapid and easy analysis of chlorine directly on-site. No maintenance or calibration is required.

Supplier: MACHEREY-NAGEL

Die passenden Schraubverschlüsse sind fertig montiert.

Supplier: MACHEREY-NAGEL

Passende Schraubverschlüsse zu den Gewindeflaschen mit gebondeten Septen.

Supplier: MACHEREY-NAGEL

These disposable syringes have a PP body and piston.

Supplier: MACHEREY-NAGEL

This broad range of crimp neck vials is available with small or wide opening.

Supplier: MACHEREY-NAGEL

These N 18 headspace screw neck vials feature a more convenient, consistent, and safer sealing process compared to crimping.

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

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

Mit diesem Testpapier kann Arsenwasserstoff (AsH₃) in der Gasphase nachgewiesen werden. Arsen-Ionen in Lösungen müssen zunächst mit Zn/Säure zu AsH₃ umgesetzt und ausgetrieben werden. Der Nachweis erfolgt dann unmittelbar an der Grenzfläche zwischen Lösung und Gasphase.