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…

Universal indicator paper pH 1-11 test paper measuring range: pH 1-2-3-4-5-6-7-8-9-10-11

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…

Features More than 50 different sationary phases available e.g., silica gel based: unmodified, C8, C18, NH2, CN; Polyermic material: HR-X, HLB, PA; mixed-mode, special combinations, aluminum oxide, kieselguhr (XTR) etc. NP, RP, ion exchanger and for special applications Different…

POLYGOPREP Irregular silica phases for liquid chromatography, modified for RP application Features Irregular silica for preparative application, pH stability 2–8 Available pore sizes 60, 100, 300 and 1000 Å Available mean particle sizes 12 µm, 20 µm, 30…

MACHEREY-NAGEL glass vials are made from 1st hydrolytic class glass Wide opening; vials to be sealed with our screw closures N 9, bonded or assembled Different inserts for wide opening available Due to the cap design universally usable on almost all autosamplers in GC and HPLC Screw…

POLYGOSIL® Irregular silica phases for LC, C18 (ODS) modified for reversed-phase (RP) applications Features Irregular silica for analytical application, pH stability 2–8 Available pore sizes 60, 100, 300 and 1000 Å Available particle sizes 5 µm, 7 µm…

Features More than 50 different sationary phases available e.g., silica gel based: unmodified, C8, C18, NH2, CN; Polyermic material: HR-X, HLB, PA; mixed-mode, special combinations, aluminum oxide, kieselguhr (XTR) etc. NP, RP, ion exchanger and for special applications Different…

Fluoride Test Paper is used for the determination of fluoride ions and gaseous hydrogen fluoride (H2 F2 ). Limit of sensitivity: 20 mg/l

Pehanon pH 3,8 - 5,5 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; 3.8-4.0-4.2-4.4-4.6-4.9-5.2-5.5

Special products for determination of pesticides in food samples QuEChERS method and pre-mixes Within a few years after its development by Anastassiades et al. the QuEChERS method has gained a leading position for the determination of pesticide residues in food samples by GC-MS or LC-MS,…

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…

pH-Fix 7.5-9.5 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 7.5-7.9-8.2-8.4-8.6- 8.8-9.1-9.5

For simultaneous preparation of up to 12, 16 or 24 samples

Connecting kits for CHROMABOND® Flash columns CHROMABOND® Flash Starter Kit consists of: 1/8" PTFE tubing, ID 1.5 mm, length 3 m; 5 x 1/4"-28 PP nuts; 5 x 1/8" ETFE ferrules; 5 x 1/4"-28 nylon unions; 2 x 1/4"-28 PP luer locks female; 1 x 1/4"-28 PP luer…

VISOCOLOR ECO Copper colorimetric test kit for the determination of Copper in water samples measuring range: 0.1-1.5 mg/L Cu2+

Features Nano silica 60, specific surface (BET) ~ 500 m2/g, mean pore size 60 Å, specific pore volume 0.75 mL/g, particle size 2–10 µm Indicator: manganese activated zinc silicate with green fluorescence for short-wave UV (254 nm) Hard, water-resistant and wettable…

Ideal for Flash separations from 10 mg up to 300 g Features For convenient operation and reliable upscaling the complete program of ready-to-use Flash cartridges for the Isco Companion® and other Teledyne Isco CombiFlash® systems, or as stand-alone version for all…

Screw neck vials for storage of liquid samples (8 mL, 12 mL, 16 mL, 24 mL) Normally used in combination with closed top screw caps Sample container available for the 8 and 12 mL screw neck storage vials For vials >= 20mL please also refer to screw neck vials N 24 with their appropriate…

Special phase for SPE enrichment of PFAS from water, textiles and sediments (contaminated soils). Polymeric combination phase with weak cation exchanger, highly porous, spherical particles.

VISOCOLOR Powder Pillows Iron reagent set for photometric determination of Iron. Ideal for drinking water and waste water analysis. Measuring range: 0.03 - 3.00 mg/L Fe

Broad variety of Headspace vials for almost all autosamplers; most popular ones are: 702924 (10 mL) / 702263+702263.2 (20 mL) with rounded bottom for CTC, Gerstel, Shimadzu and equivalent ones in combination with magnetic/bi-metal closures N 20 702917 (6 mL) / 70254/702540 (20 mL) with…

Manual crimpers (standard version) Adjustable crimping height via hexagon key, which allows to move the inner part of the crimping head up and down (not possible for manual crimpers N 8) Crimping pressure adjustable via screw in the handle Manual crimpers for N 13 and N 20 Flip Top /…

CHROMABOND® MULTI 96 is designed for use in common robotic workstations or commercially available liquid handling systems. Alternatively, use of multi-channel pipettors facilitates a manual liquid transfer. Extraction is carried our using the CHROMABOND® MULTI 96 vacuum manifold. With the…

QUANTOFIX Peroxide 100 semi-quantitative test strips for the determination of hydrogen peroxide (H 2 O 2 ) and peroxides in solutions. Measuring range: 0-1-3-10-30-100 mg/L H2O2

MACHEREY-NAGEL glass inserts are made from 1st hydrolytic class glass Small opening vials and inserts are more difficult to fill than wide opening sample containers Broad variety of different technical designs The longer the conical part of the insert the better the conditions for the…

Phenyl-modified silica phase for SPE Features Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8 Phenyl phase, carbon content 8 %, polarity similar to C8 In addition to hydrophobic interactions more selective…

NUCLEOGEL® GPC Polymer-based phases for GPC of water-insoluble substances Features Polymer-based columns for size exclusion chromatography (SEC) or gel permeation chromatography (GPC) Spherical particles Highly crosslinked macroporous, spherical polystyrene –…

POLYGOPREP Irregular silica phases for liquid chromatography, NH2 (amino) modified Features Irregular silica for preparative application, pH stability 2–8 Available pore sizes 60, 100, 300 and 1000 Å Available mean particle sizes 12 µm, 20 µm, 30 µm,…

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…

Hydrophilic-lipophilic balanced N-vinylpyrrolidone-divinylbenzene resin for SPE Features Hydrophilic-lipophilic balanced N-vinylpyrrolidone-divinylbenzene copolymer pH stability 1–14 Spherical particles 30 μm or 60 μm (standard) Pore size 65 Å Specific surface…

Dipyridyl paper test strips allows the sensitive and specific detection of Fe(II) ions. Even small amounts of Fe(II) can safely be detected in presence of large amounts of Fe(III).