116 resultater for: "EUPROMOCHEM00003"

Supplier: Merck

Iron(II) ethylenediammonium sulfate CertiPUR®, secondary reference material for redox titration, Glass bottle

Supplier: VWR Chemicals

Molybdenum Standard, 10 mg/L, VWR® ARISTAR®, Molybdenum, Matrix: H₂O/tr HF, Application: ICP-MS standards

Supplier: Merck

Sodium hydroxide 2 mol/l (2 N) in aqueous solution, Titripur® volumetric solution, Supelco®

Supplier: Merck

Iodine 0.05 mol/l (0.1 N) in aqueous solution, Titripur® Reag. Ph. Eur. volumetric solution, Supelco®

Supplier: VWR Chemicals

Silicium Standard, 10 mg/L, VWR® ARISTAR®, Silicon, Matrix: H₂O/tr HF, Application: ICP-MS standards

Supplier: VWR Chemicals

Zirconium Standard, 10 ppm, VWR® ARISTAR®, Zirconium, Matrix: 2% HNO₃, Application: ICP-MS standards

Supplier: VWR Chemicals

These standards can be used with any melting point apparatus and are prepared using pure raw materials. Melting points are determined using a high accuracy Differential Scanning Calorimeter (DSC) system that is calibrated to the ITS 90 International Temperature Scale.

Supplier: Merck

A range of cleansers, for machine washing and rinsing, that have been developed to meet the cleaning requirements for glassware and small equipment in the laboratory.

Supplier: Merck

Potassium hydroxide 0.1 mol/l (0.1 N) in ethanol, Titripur® Reag. Ph. Eur., Reag. USP volumetric solution, Supelco®

Supplier: Merck

Potassium hydroxide 0.5 mol/l (0.5 N) in ethanol, Titripur® Reag. Ph. Eur., Reag. USP volumetric solution, Supelco®

Supplier: Merck

For calibration of pH meters.

Supplier: Merck

Potassium hydroxide 1 mol/l (1 N) in aqueous solution, Titripur® Reag. Ph. Eur., Reag. USP volumetric solution, Supelco®

Supplier: VWR Chemicals

These products can be used as calibration standards for density measurements by pycnometric, vibrational or hydrometer-based techniques.

Supplier: Merck

EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Supplier: VWR Chemicals

pH Buffer solution, Oxalate, pH value: 1,68, Reference temperature: 25 °C, VWR®, Neutral

Supplier: Merck

Benzoic acid, Certipur® Reag. USP, Reag. Ph. Eur. volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM), Supelco®

Supplier: Merck

Materials for the precise calibration and monitoring of pH meters.

Supplier: VWR Chemicals

Cold Filter Plugging Point (CFPP) Certified Reference Materials are for the verification of laboratory instruments used in testing petroleum and derivative products for Cold Filter Plugging Point (CFPP) according to IP 309, EN 116 and ASTM D6371 also other equivalent test methodology.

Supplier: Merck

Sodium hydroxide 0,2 mol/l (0,2 N) in aqueous solution, Titripur® volumetric solution, Supelco®

Supplier: Merck

Aquastar® standards for Karl Fischer titration can be used for monitoring and qualification of your Karl Fischer instruments, for checking and evaluating measuring results, and for performing titer determination of volumetric Karl Fischer reagents.

Supplier: VWR Chemicals

Potassium hydrogen phthalate solutions.

Supplier: VWR Chemicals

These standards can be used for calibration, control, verification, qualification or method validation of kinematic and dynamic viscosity measurement instruments (both manual and automatic). Each standard is certified for kinematic viscosity (mm²/s, cSt), dynamic viscosity (cP) and density (g/ml) at a range of temperatures.

Supplier: VWR Chemicals

Solutions prepared from AnalaR® NORMAPUR® grade analytical reagents.

Supplier: VWR Chemicals

The tightening of regulatory requirements and the increasing demands of QA/QC methodology is becoming more important across all market sectors. The demand for standards to support testing methods continues to increase, and this growth applies to water determination according to Karl Fischer. Avantor now offers a complete range of Karl Fischer water standards as CRMs to calibrate and monitor equipment and check test results.

Supplier: VWR Chemicals

These reagents are ideal for water determination including the analysis of aldehydes and ketones.

Supplier: Merck

The Aquastar® range is designed to provide reagents for the determination of water by Karl Fischer titration of a wide range of substrates and by a variety of methodologies. These include reagents for one- or two-component systems; combined coulometric reagents; solvents for oils and fats; reagents and solvents for determination of water in ketones and aldehydes. Calibration standards are also available.