QUANTOFIX Potassium semi-quantitiative test strips and reagents for the determination of potassium (K + ) in solutions. Measuring range: 0-200-400-700-1000-1500 mg/L K+

VISOCOLOR ECO Potassium turbidity test kit for the determination of Potassium in water samples measuring range: 2-15 mg/L K+ __UN 3316 Chemical kit 9 II 0.025 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

QUANTOFIX Carbonate alkalinity semi-quantitative test strips for the determination of the carbonate hardness. (Strong bases -or other acid-consuming substances cause false results.) Measuring range: 0-3.8-7.5-12.5-18.8-25.0 °e

QUANTOFIX Chloride semi-quantitative test strips for the determination of chloride (Cl - ) in solutions. *MUST SHIP COLD* Measuring range: 0-500-1000-1500-2000 ->3000 mg/L Cl-

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…

Kieselguhr adsorbents for column chromatography Features Naturally occurring amorphous silicic acids of fossil origin, also known as diatomaceous earth or diatomite; purified for chromatographic applications Compared to silica, kieselguhr has a small surface of low activity →…

For storage of powdery samples Usable volumes from 5 to 25 mL Glass of 3rd hydrolytic class, since storage of solid samples is generally not very demanding Snap caps for both neck sizes available

QUANTOFIX Nitrate/Nitrite semi-quantitative test strips for the rapid and reliable determination of Nitrate and Nitrite in solutions. Measuring range: 0-10-25-50-100-250-500 mg/L NO3- 0-1-5-10-20-40-80 mg/L NO2-

OPTIMA® 17 MS Capillary columns for GC Features Silarylene phase with selectivity analogue to 50 % phenyl – 50 % methylpolysiloxane USP G3 Medium polar phase with very low bleeding Ideal for ion trap detectors, optimum reference column in combination with a 1 MS or 5…

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…

pH-Fix 3.1-8.3 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 3.1-3.5-3.9-4.3-4.7- 5.1-5.5-5.9-6.3-6.7-7.1-7.5-7.9-8.3

Special filter for ion chromatography For the filtration of aqueous liquids For optimal results with blind values < 5 ppb we recommend to pre-wash the filter with de-ionized water

Features High purity silica 60 with gypsum and a very small quantity of a polymeric organic binder softer than the standard silica layer, i. e. spots can be scratched and the layer absorbs faster Available as glass plates with or without fluorescent indicator Recommended for the…

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…

Open and closed top closures and caps with thread 24-414 Due to their size mainly used as bonded closures for a firm fit of the septum Recommended for environmental analysis: screw closure with center hole and silicone / PTFE septum (702058) Closed top closures for sample storage …

Silica 60, specific surface (BET) ~ 500 m 2 /g, mean pore size 60 Å, specific pore volume 0.75 mL/g, particle size 5–17 µm; standard grade Thickness of layer for analytical plates 0.25 mm, for preparative plates 0.5 and 1 mm For 2 mm preparative layers a slightly coarser…

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…

Recommended application: Preparation of capillary columns As precolumns, whenever a larger contamination capacity is required Different deactivations are available: Methyl-Sil deactivated Phenyl-Sil deactivated CW deactivated

VISOCOLOR Powder Pillows Sulfate reagent set for photometric determination of Sulfate. Ideal for drinking water and waste water samples. Measuring range: 15 - 200 mg/L SO42-

Features Silica 60, specific surface (BET) ~ 500 m 2 /g, mean pore size 60 Å, specific pore volume 0.75 mL/g, particle size 5–17 µm; standard grade Outstanding wettability for precise colorization results, even with 100 % aqueous detection reagents Excellent separation…

QUANTOFIX Arsenic Sensitive test strips for rapid and easy analysis of Arsenic directly on-site. Measuring range: 0-0.005-0.01-0.025-0.05-0.1- 0.25-0.5 mg/L As3+/5+

QUANTOFIX Nitrate semi-quantitative test strips that are especially useful for dairy industry where low levels of nitrate need to be monitored. Measuring range: 0-5-10-25-50-75-100 mg/L NO3- 0-0.5-2-5-10-25-50 mg/L NO2-

QUANTOFIX Nitrite semi-quantitative test strips for the determination of nitrite (NO2) in solution. Measuring range: 0-1-5-10-20-40-80 mg/NO2-

Features Base material: 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, pH stability 2–10 Partial (50%) or complete (100%) octadecyl modification, carbon content 7.5 and 14%, respectively…

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…

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…

This test paper allows the quick and easy detection of hydrocyanic acid and cyanides in aqueous solutions and extracts. They are for example formed in the manufacture of fruit brandies and are toxic even in low concentrations. To detect cyanides in solution, a drop of concentrated sulfuric acid is…

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…

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…

QUANTOFIX QUAT semi-quantitative test strips for the rapid and reliable determination of quaternary ammonium compounds (QUAT) in solutions. Measuring range: 0-10-25-50-100-250- 500-1000 mg/L benzalkonium-chloride

MACHEREY-NAGEL Headspace screw neck vials N 18 are made from 1st hydrolytic class glass More convenient, consistent and safer sealing process compared to crimping (better reproducibility) 10 mL (clear) and 20 mL vials available (clear/amber) Compatible with CTC, Gerstel, Shimadzu and…

Ready assembled open or closed top black screw closures 8-425 and plain caps with no liner Closures available with a broad variety of septa materials Septa material used for the production of the N 8 screw closures has – aside from physical inspection – also been tested…