2269 Risultati per: "MACHEREY-NAGEL"
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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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®
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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NANOCOLOR® Photometric Tube Test Kit for Chlorine/Ozone
Supplier: MACHEREY-NAGEL
A pre-dosed NANOCOLOR tube test for photometric determination of chlorine in water.
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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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Indicatore di pH strisce reattive, pH-Fix
Supplier: MACHEREY-NAGEL
Le strisce reattive con indicatore pH-Fix consentono un rapido test del pH direttamente nel punto di interesse e sono adatte per utenti inesperti e professionisti analitici.
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Screw caps for screw neck vials, N 18 and N 20
Supplier: MACHEREY-NAGEL
The suitable screw closures have bonded septa.
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Test strips for semi-quantitative analysis of low water hardness, AQUADUR® sensitive
Supplier: MACHEREY-NAGEL
AQUADUR® sensitive test strips for semi-quantitative analysis of low water hardness, after amongst other things the softening of water.
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NANOCOLOR® Photometric Tube Test Kits for Nonionic/Anionic/Cationic Surfactants
Supplier: MACHEREY-NAGEL
Photometric test kits for the determination of detergents in water samples.
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Screw neck vials, N 15
Supplier: MACHEREY-NAGEL
These vials are used for storage of liquid samples.
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Snap cap vials, N 18 and N 22
Supplier: MACHEREY-NAGEL
These snap cap vials are used for storage of powdery samples.
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Test kits, residual hardness, VISOCOLOR® alpha
Supplier: MACHEREY-NAGEL
This kit is designed for the colorimetric determination of residual hardness.
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Colorimetric rapid tests, phosphate, VISOCOLOR®
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.
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Colorimetric rapid tests, chlorine, VISOCOLOR®
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.
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N-Metil-N-(trimetilsilil)trifluoroacetamide silylation reagent, for GC derivatisation
Supplier: MACHEREY-NAGEL
Silylation in GC stands for replacement of active hydrogen atoms by a trimethylsilyl group (TMS derivative).
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Screw caps for screw neck vials, N 8
Supplier: MACHEREY-NAGEL
The suitable screw closures are ready assembled.
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Test strips, oil
Supplier: MACHEREY-NAGEL
This test paper allows the rapid and reliable detection of oil contamination of water and soil.
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Test strips, qualitative, fluoride
Supplier: MACHEREY-NAGEL
The test paper allows the rapid detection of fluoride ions in solutions containing hydrochlorid acid.
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Test paper, qualitative, Watesmo
Supplier: MACHEREY-NAGEL
The test paper allows the quick and easy detection of water and water vapor.
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Colorimetric rapid tests, nitrate, VISOCOLOR®
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.
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TLC developing chambers
Supplier: MACHEREY-NAGEL
Mason jar shaped developing chambers for TLC application. Glass of hydrolytic category III, lid is made of PP with LDPE sealing disk.
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Colorimetric rapid tests, sulphate, VISOCOLOR® ECO
Supplier: MACHEREY-NAGEL
Determination of sulphate by turbidity measurement.
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Screw caps for screw neck vials, N 24
Supplier: MACHEREY-NAGEL
Bonded and ready assembled screw closures are available for these crimp neck vials.
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NANOCOLOR® Photometric Tube Tests Kits for Total Nitrogen
Supplier: MACHEREY-NAGEL
Photometric test kits for the determination of total nitrogen in water samples.
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pH indicator papers, universal/special
Supplier: MACHEREY-NAGEL
pH indicator papers have been available for decades and are the standard for many applications. For each pH value these papers show a single colour which can be matched with the colour scale at intervals of 0,2 to 1 pH units.
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Colorimetric Rapid Tests, Chromium, VISOCOLOR® ECO
Supplier: MACHEREY-NAGEL
Colorimetric determination of chromium VI by carbazide method (Reaction basis according to DIN 38405-D24).
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Inserts for screw neck vials, N 9, screw neck vials, N 10, snap ring vials, N 11 and crimp neck vials, N 11
Supplier: MACHEREY-NAGEL
Vial insert, 0,20 ml, Vetro, trasparente, Ø×A: 6×31 mm, Fondo conico, Non sterili, Cap included: No
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Colorimetric rapid tests, nickel, VISOCOLOR® ECO
Supplier: MACHEREY-NAGEL
In ammonia solution, nickel ions react with diacetyldioxime after oxidation with bromine to form a reddish-brown dye.
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HPLC columns, NUCLEOSIL® C18
Supplier: MACHEREY-NAGEL
NUCLEOSIL® C18 are octadecyl modified silica phases for HPLC.
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Test strips, peroxide, 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.