MACHEREY-NAGEL

Pehanon pH 0,0 - 1,8 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: 0-0.3-0.6-0.8-1.0-1.2-1.5-1.8

NUCLEOGEL® ION 300 OA Polymer-based HPLC phases for separation of sugars Features Sulfonated spherical PS/DVB resins in H+ ionic form · USP L17 Mean particle size 10 µm Pore size 100 Å Separation mechanism includes steric exclusion, ligand exchange and partition effects, ligand...

Potassium iodide starch paper MN 616 T test strips allow the quick and easy detection of strong oxidizers such as nitrite and free chlorine. Potassium iodide starch paper is also used to control diazotization reactions.

QUANTOFIX Phosphate semi-quantitative test strips for the determination of ortho-phosphate (PO 4 3-) in solutions. Measuring range: 0-3-10-25-50-100 mg/L PO43 __UN 3316 Chemical kit 9 II 0.030 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

QUANTOFIX Phosphate semi-quantitative test strips for the determination of Phosphate. Measuring range: 0-0.5-2-5-10 mg/L

High purity silica 60, specific surface (BET) ~ 500 m2/g, mean pore size 60 Å specific pore volume 0.75 mL/g, particle size 5–17 µm Different binder system compared to SIL G results in different separation characteristics Special feature of the POLYGRAM® SIL N-HR: higher gypsum...

Potassium iodide starch paper MN 816 N allows the quick and easy detection of strong oxidizers such as nitrite and free chlorine.

QUANTOFIX Arsenic 10 semi-quantitative test strips and reagents for the determination of arsenic in solutions. Measuring range: 0-0.01-0.025-0.05-0.1- 0.5 mg/L As3+/5+ __UN 3077 Umweltgefährdender Stoff, n.a.g. (ZINKPULVER STABILISIERT) 9 III 0,06 KG ADR/GGVSEB M7 (-) LQ 5 KG PAX 355 60 L CAO 366...

VISOCOLOR ECO Hydrazine colorimetric test kit for the determination of Hydrazine in water samples measuring range: 0.05-0.40 mg/L N2H4 __UN 3316 Chemical kit 9 II 0.030 L ADR/GGVSEB M11 (E) ADR 3.3.1/251: LQ PAX 960 10 Kg CAO 960 10 Kg

Silica adsorbents for column chromatography Features Standard silica 60 , pore size ~ 60 Å Pore volume ~ 0.75 mL/g Highly porous, amorphous silicic acid in the form of hard, opalescent particles, prepared by precipitation of water glass with sulfuric acid For higher demands on the performance...

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 equivalent...

Aluminium oxide, neutral, for SPE Features Aluminium oxide, high purity, pore volume 0.90 mL/g, particle size 60–150 µm, specific surface 150 m2/g neutral, pH 7 ± 0.5

QUANTOFIX Copper test strips for rapid and easy analysis of Copper directly on-site. Measuring range: 0-10-30-100- 300 mg/L Cu+/2+

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

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)...

Octadecyl modified silica phase for SPE of polar analytes Features Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8 Special octadecyl phase for polar analytes, not endcapped, carbon content 15 % Recommended application: more...

Replacement septa for 8-425 screw caps from MACHEREY-NAGEL PTFE virginal: temperature resistant: –200 °C / +260 °C, very high analytical purity, very hard (but very thin material), no resealability Red Rubber / TEF (FEP): temperature resistant: –40 °C / +110 °C, medium...

Polymer-based SPE phases for RP and ion chromatography Features Base material: high purity polystyrene-divinylbenzene copolymers (PS/DVB), pore size 100 Å, particle size 100 µm very low degree of swelling, thus very well suited for chromatography reliable function over the whole pH range...

pH-Fix 4.5-10.0 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 4.5-5.0-5.5-6.0-6.5- 7.0-7.5-8.0-8.5-9.0-9.5-10.0

OPTIMA® 225 Capillary columns for GC Features 50 % cyanopropylmethyl – 50 % phenylmethylpolysiloxane · USP G7 / G19 Medium polar phase Recommended for fatty acid analyses Similar phases: DB-225, HP-225, OV-225, Rtx-225, CP-Sil 43, 007-225, BP225 Max. temperature for isothermal...

QUANTOFIX Peracetic acid 500 semi-quantitative test strips for the determination of peracetic acid. Measuring range: 0-50-100-200-300-400- 500 mg/L

Pehanon pH 7,2 - 8,8 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: 7.2-7.4-7.6-7.8-8.0-8.2-8.5-8.8

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...

Tritest pH 1 - 11 indicator paper has three different indicator zones on a single paper. The three zones guarantee optimal color differences and safe determination of in-between values. measuring range: 1-2-3-4-5-6-7-8-9-10-11