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3237 results for "MACHEREY-NAGEL"

3237 Results for: "MACHEREY-NAGEL"

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Test strips, ascorbic acid, QUANTOFIX®

Test strips, ascorbic acid, QUANTOFIX®

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.

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Flash chomatography cartridges, empty colums, CHROMABOND® Flash DL and connecting kits

Flash chomatography cartridges, empty colums, CHROMABOND® Flash DL and connecting kits

Supplier: MACHEREY-NAGEL

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

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NANOCOLOR® Photometric Tube Test Kits for Phosphates (Ortho) and Phosphates (Total)

NANOCOLOR® Photometric Tube Test Kits for Phosphates (Ortho) and Phosphates (Total)

Supplier: MACHEREY-NAGEL

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

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Test papers, lead acetate papers

Test papers, lead acetate papers

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.

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TLC plates, silica gel 60, unmodified layers, SIL G

TLC plates, silica gel 60, unmodified layers, SIL G

Supplier: MACHEREY-NAGEL

Unmodified standard silica layers for TLC.

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Glass microfiber filters with organic binder, grade MN 85/90

Glass microfiber filters with organic binder, grade MN 85/90

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.

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Quantitative filter papers, ashless grades, MN 640

Quantitative filter papers, ashless grades, MN 640

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.

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Qualitative filter papers, grades MN 617 and 617 1/4, circles and folded filters

Qualitative filter papers, grades MN 617 and 617 1/4, circles and folded filters

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.

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Trimethylsulphonium hydroxide 0.2 M in methanol alkylation reagent, for GC derivatisation

Trimethylsulphonium hydroxide 0.2 M in methanol alkylation reagent, for GC derivatisation

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.

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Test strips, ammonium, QUANTOFIX®

Test strips, ammonium, QUANTOFIX®

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.

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Glass microfiber filters without binder, grade MN 85/90 BF

Glass microfiber filters without binder, grade MN 85/90 BF

Supplier: MACHEREY-NAGEL

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

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Manual crimping tools, advanced ergonomic version

Manual crimping tools, advanced ergonomic version

Supplier: MACHEREY-NAGEL

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

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Test strips, QUANTOFIX Chlorine Sensitive 1

Test strips, QUANTOFIX Chlorine Sensitive 1

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.

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Screw caps for screw neck vials, N 9

Screw caps for screw neck vials, N 9

Supplier: MACHEREY-NAGEL

The suitable screw closures are ready assembled.

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Bonded screw caps for screw neck vials, N 15 (15-425)

Bonded screw caps for screw neck vials, N 15 (15-425)

Supplier: MACHEREY-NAGEL

The suitable screw closures have bonded septa.

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Magnetic screw caps, ND18 and septum

Magnetic screw caps, ND18 and septum

Supplier: MACHEREY-NAGEL

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

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Disposable syringes with Luer tip

Disposable syringes with Luer tip

Supplier: MACHEREY-NAGEL

These disposable syringes have a PP body and piston.

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Crimp neck vials, N 11

Crimp neck vials, N 11

Supplier: MACHEREY-NAGEL

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

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Crimp neck vials, N 20

Crimp neck vials, N 20

Supplier: MACHEREY-NAGEL

These crimp neck vials with different capacities are suitable for a large number of autosamplers included headspace GC applications.

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Arsenic test papers, qualitative

Arsenic test papers, qualitative

Supplier: MACHEREY-NAGEL

This test paper allows the easy detection of arsine (AsH₃) in the gas phase. Arsenic in solutions has to be converted into AsH₃ with Zn/acid and purged from the solution. The Arsine is detected directly at the boundary layer between water and air.

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Headspace screw neck vials, N 18

Headspace screw neck vials, N 18

Supplier: MACHEREY-NAGEL

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

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Test strips, nitrite, QUANTOFIX®

Test strips, nitrite, QUANTOFIX®

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.

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Test paper, qualitative, sulphide

Test paper, qualitative, sulphide

Supplier: MACHEREY-NAGEL

The test paper allows the easy and reliable 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.

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Storage Boxes for Vials

Storage Boxes for Vials

Supplier: MACHEREY-NAGEL

Boxes are made from blue plastic with integrated or removable divider and transparent lid.

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Test strips, molybdenum, QUANTOFIX®

Test strips, molybdenum, QUANTOFIX®

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.

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Test strips, formaldehyde, QUANTOFIX®

Test strips, formaldehyde, QUANTOFIX®

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.

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Test strips, chloride, QUANTOFIX®

Test strips, chloride, QUANTOFIX®

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.

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Urine test strips, Medi-Test

Urine test strips, Medi-Test

Supplier: MACHEREY-NAGEL

Due to the high resistance towards interferences by ascorbic acid, a second testing for sensitive parameters such as blood or glucose is unnecessary in most cases.

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Septa for EPA screw caps, N 24

Septa for EPA screw caps, N 24

Supplier: MACHEREY-NAGEL

Septa, Silicone natural/PTFE colourless, Hardness: 45° shore A, Thickness: 3,2 mm, Ø: 22 mm

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Test strips, nitrate/nitrite, QUANTOFIX®

Test strips, nitrate/nitrite, QUANTOFIX®

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.

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