MACHEREY-NAGEL

NUCLEODUR® is a fully synthetical type B silica (silica of 3rd generation) offering highly advanced physical properties: Totally spherical particle shape Outstanding surface microstructure High pressure stability Low metal content NUCLEODUR® as a state-of-the-art silica is the ideal base...

Quick and easy determination of peroxide This peroxide test strip is ideal to test low levels of peroxide in solutions. The easy dip-and-read procedure provides reliable results within 15 seconds. Hydrogen Peroxide (H₂O₂) is one of the most powerful oxidizers known. It’s...

Ozone test sticks for quick, convenient and reliable onsite ozone testing. The easy procedure yields accurate testing results within 10?minutes.

Ready assembled crimp closures N 20 and plain crimp caps with no liner Closures available with a broad veriety of septa materials and different cap types / materials, incl. magnetic and bi-metal crimp caps For all autosamplers transporting vials by a magnet, incl. the CTC PAL autosampler, magnetic...

Features Filtration cartridges for sample clarification under vacuum (e.g., using the CHROMABOND® vacuum manifold or SPE automation systems like Gilson Aspec™, Rapidtrace) or by gravity Cartridge sizes 3 mL and 6 mL Different membranes: PET (polyester); RC (regenerated cellulose); PTFE...

Spherical, hydrophobic polystyrene-divinylbenzene resin for SPE Features Hydrophobic polystyrene-divinylbenzene copolymer pH stability 1–14 High-purity material with highest reproducibility and lowest blank values due to an optimized manufacturing process Spherical particles 45 μm or 85...

NUCLEOSIL® is a family of totally porous spherical silicas with a very pure and uniform SiO2 structure Wide acceptance as routine packings for very different fields of chromatography One of the first spherical silicas used in HPLC Developed in the early seventies, it became a world-renowned HPLC...

VISOCOLOR ECO DEHA colorimetric test kit for the determination of DEHA in water samples measuring range: 0.01-0.30 mg/L DEHA

Septa firmly connected with cap; cannot be removed. Broad variety of closures and caps in different colors Closed top closures with different septa materials for sample storage 9 mm screw cap suitable for almost all autosamplers due to its design in form of a crimp cap Thread design not...

Ammonium – sulfonic acid modified silica phase for SPE Features Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g zwitterionic polar phase with ammonium – sulfonic acid modification, carbon content 7 %, pH stability 2-8 Polar analytes are...

QUANTOFIX Relax, Reflectometer suitable for evaluation of QUANTOFIX test strips incl. power supply, adapter, manual, 1 roll of printer paper and certificate

Columns for gravity flow phase separation Features Automatic separation of a two-phase mixture without separation funnel Two-phase mixtures are completely applied to the column and the phase boundary is determined without further work. The special membrane automatically stops the flow when the lower...

Propylsulfonic acid modified silica cation exchanger for SPE Features Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8 propylsulfonic acid modified silica very strong cation exchanger (capacity ~ 0.7 meq/g) contrary to the SA...

Features Fiber length (95 %) 2–20 μm, average degree of polymerization 400–500 specific surface acc. to Blaine 15000 cm 2 /g ≤ 20 ppm Fe, 6 ppm Cu, 7 ppm P; dichloromethane extract ≤ 0.25% residue on ignition at 850°C ≤ 1500 ppm available as glass plates, POLYGRAM®...

CHROMAFIL® syringe filters – Ideal for GC, HPLC and UHPLC sample filtration By using CHROMAFIL® syringe filters unwanted particles are removed which can otherwise cause contamination and clogging of sensitive instrumentation. So, filtering your samples leads to an increase of lifetime...

Ready assembled crimp closures N 11 and plain caps with no liner Closures available with a broad variety of septa materials and most of them also with different cap colors All high end (PTFE/)Silicone/PTFE, cross- or unslit septa material has been physically and analytically been tested prior to...

Ready assembled open and closed top black screw closures 13-425 and plain caps with no liner Closures available with a broad variety of septa materials For single septa, especially PTFE virginal septum, please see appropriate section Red Rubber / FEP septum for routine analyses; for more demanding...

QUANTOFIX Multi stick for aquarium owners are the semi-quantitative test strips for the determination of the total hardness (Ca 2+ , Mg 2+ ), carbonate hardness (HCO 3 -, CO 3 2-) and the pH value of aquarium water. Measuring range: 0-6.3-12.5-18.8-25.0-31.3 °e (total hardness)...

Magnesium silicate for SPE Features Matrix magnesium silicate (MgO – SiOH 15:85), high purity, particle size 150–250 µm Recommended application: organic tin compounds, aliphatic carboxylic acids, PCBs, PAHs

QUANTOFIX Sulphate semi-quantitative test strips for the determination of sulphate in solutions. Measuring range: 200->400->800->1200- >1600 mg/L SO42-

MACHEREY-NAGEL glass vials are made from 1st hydrolytic class glass Crimp neck vials N 11 are available in broad variety, incl. vials with small/wide opening, with/without label + scale, in clear or amber glass (silanized versions also available) Guaranteed specification obedeyance by...

Pehanon pH 2,8 - 4,6 test strips unify pH indicator and reference color chart on one strip. Any sample color has the same effect on both, the reference colors and the reactive pad, allowing unadulterated pH reading even in colored solutions. measuring range: 2.8-3.1-3.4-3.6-3.8-4.0-4.3-4.6

VISOCOLOR ECO Aluminium colorimetric test kit for the determination of Aluminum in water samples measuring range: 0.10-0.50 mg/L Al3+

pH-Fix 6.0-7.7 indicator strips with chemically bound indicators are the bench mark for pH testing with test strips. The fixation prevents bleeding and therefore contamination of the sample. measuring range: pH 6.0-6.4-6.7-7.0-7.3-7.7