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Rexar



342 ppm TDS Calibration Solution – 90 ml

Calibration solution containing 342 ppm TDS for routine calibration of TDS and conductivity meters. Supplied in a 90 ml bottle for laboratory, water testing and analytical applications.
€21,99

Potassium Chloride

Potassium Chloride is supplied by Rexar as an analytical chemical for laboratory and technical applications. The compound is suitable for identification, calibration, quality control and method development within controlled laboratory environments.
€15,99

Stainless Steel Crucible Tongs – 40 cm

Professional stainless steel crucible tongs designed for the safe handling of hot crucibles, containers and laboratory equipment during high-temperature laboratory procedures.
€21,99

O-304

O-304 | Molecular formula: C16H11Cl2N3O2S | Molecular weight: 380.2 g/mol.
€56,99

Biological Microscope 100X–2000X

Professional biological microscope featuring multiple magnification levels from 100X to 2000X, dual LED illumination, coarse and fine focus controls, and accessories for laboratory, educational and research applications.
€175,99

PTFE Magnetic Stir Bars

PTFE-coated laboratory stirrer bars for magnetic stirring and analytical liquid mixing workflows | Compatible with standard laboratory magnetic stirrers.
€15,99

Copper Sulfate

Copper Sulfate is supplied by Rexar as an analytical chemical for laboratory and technical applications. Suitable for calibration, quality control, identification and method development.
€16,99

Rubber Pipette Filler

Laboratory pipette filler manufactured from durable rubber and equipped with a three-valve control system for accurate and controlled liquid aspiration when used with glass pipettes.
€16,99

Reusable Respirator Mask Set

Reusable half-face respirator equipped with a dual filter system and supplied with safety goggles, replacement filter media and accessories. Suitable for laboratory, workshop and technical applications.
€36,99

Succinic Acid

Succinic Acid is supplied by Rexar as a chemical reference material for use in
analytical and laboratory research. The compound is provided for identification,
comparison and method development within controlled research environments.
€26,99

Beaker 400 ml

400 ml beaker suitable for general laboratory applications such as mixing, heating and volume measurement in controlled environments.
€9,99

pH Calibration Powder Set – 15 Sachets

Calibration powder set for preparation of pH buffer solutions at pH 4.00, 6.86 and 9.18. Suitable for calibration and verification of compatible pH meters.
€19,99

Nooglutyl

Nooglutyl CAS: 112193-35-8 | Molecular formula: C11H12N2O3 | Molecular weight: 220.23 g/mol.
€34,99

Sodium Acetate

Sodium Acetate is supplied by Rexar as an analytical chemical for laboratory and technical applications. Suitable for calibration, quality control, identification and method development.
€40,99

KCl Storage Solution 3M – 250 ml

Potassium chloride (KCl) 3M storage solution for storage and maintenance of pH and ORP electrodes. Ready-to-use solution supplied in a 250 ml bottle.
€23,99

ONiLAB Mini Centrifuge

Laboratory mini centrifuge for microcentrifuge tubes and PCR strips. Max speed 7000 rpm | 2680 × g RCF | Low noise ≤45 dB.
€119,99

Glass Petri Dishes 90 mm – 5 Pack

Set of five borosilicate glass Petri dishes supplied with matching lids. Suitable for laboratory observation, sample preparation, educational projects and general scientific applications.
€24,99

Erlenmeyer Flask 500 ml

500 ml Erlenmeyer flask suitable for mixing, heating and storing liquids in controlled laboratory environments.
€12,99

Tris(hydroxymethyl)aminomethane

Tris(hydroxymethyl)aminomethane is supplied by Rexar as a chemical reference material
for use in analytical and laboratory research. The compound is provided for identification,
comparison and method development within controlled research environments
€26,99

Potassium Iodide

Potassium Iodide is supplied by Rexar as an analytical chemical for laboratory and technical applications. Suitable for calibration, quality control, identification and method development.
€26,99

Calcium Chloride

Calcium Chloride is supplied by Rexar as an analytical chemical for laboratory and technical applications. Suitable for calibration, quality control, identification and method development.
€16,99

Laboratory Coat White – Unisex

White laboratory coat with long sleeves, button closure and multiple storage pockets. Suitable for laboratory, educational and technical work environments.
€19,99

Adipic Acid

Adipic Acid is supplied by Rexar as a chemical reference material for use in
analytical and laboratory research. The compound is provided for identification,
comparison and method development within controlled research environments.
€25,99

Laboratory Notebook – 110 Pages

Laboratory notebook with numbered pages and quadrille graph paper for recording experiments, observations and research data. Suitable for laboratory, educational and technical documentation.
€16,99

Rexar

Rexar is a European supplier of chemical reference materials and laboratory-grade chemical compounds, focused on professional, analytical and research-oriented applications.

The Rexar brand represents a curated portfolio of analytically characterized substances supplied in controlled quantities for use in identification, comparison and method development within laboratory and technical environments.

All Rexar products are selected based on purity, consistency and available documentation, and are supplied in accordance with standard laboratory handling practices.

Rexar has been supplying specialized chemical materials to research professionals since 2009, with reliable distribution throughout the Netherlands and Europe.

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