14871 Results for: "Certified Reference Materials, KLEN"

Supplier: VWR Chemicals

Wavelength standards (certified at 0,1; 0,2; 0,5; 1 and 2 nm slit widths) packed in six permanently sealed UV cuvettes or 100 ml amber bottles.

Supplier: Lovibond Tintometer

For routine calibration of colorimeters and verification of test data.

Supplier: VARIAN

These UV-Visible calibration standards and kits provide an inexpensive and time-saving solution for calibrating and qualifying UV-Vis instrumentation.

Supplier: HELLMA

The Hellma® calibration standards comply with all necessary standards and regulations and thus offer the highest quality for recalibrating your spectrometer.

Supplier: VWR Chemicals

Ready to use colour solutions according to Reag. Ph. Eur.

Supplier: VWR Chemicals

Bandwidth standards.

Supplier: MACRON AVANTOR BRAND

Corrosive.

Supplier: Thermo Fisher Scientific

These colour reference standards can be used with UV-Vis spectroscopy.

Supplier: VWR Chemicals

A set for linearity check of the absorbance of spectrophotometers.

Supplier: VWR Chemicals

Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis that are designed for grading the colour of similarly coloured liquids, such as resins, varnishes, lacquers, drying oils, fatty acids, lecithin's, sunflower and linseed oil.

Supplier: VWR Chemicals

Stray light standards packed in permanently sealed UV cuvettes or 100 ml amber bottle.

Supplier: VWR Chemicals

Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis and are designed to measure the visual colour of water supplies.

Supplier: VWR Chemicals

Complete range of reagents and standard solutions in Chapters 2 and 4 of the current European Pharmacopoeia.
All are manufactured and tested in compliance with the Ph. Eur. and are supplied with detailed Certificates of Analysis showing batch number, and expiry date.

Supplier: VWR Chemicals

Linearity standards packed in permanently sealed UV cuvettes or 100 ml amber bottles.

Supplier: VWR Chemicals

Organic Standard, α-Endosulfan Certified Reference Material, Pack type: Glass ampoule

Supplier: VWR Chemicals

Pesticides are usually chemical or biological substances that are used to prevent, destroy or mitigate any pests. Pesticides are released into the environemnet in order to eliminate these pests, but residues from these toxic chemicals also end up in the air, water, and even in food.

Supplier: VWR Chemicals

VWR® ISO 17025 / ISO 17034 dual certified density standards are for the verification of instruments used to measure density of materials which are fluid at the desired test temperature.

Supplier: Hach

Calibration solutions for Lico spectral colorimeter.

Supplier: VWR Chemicals

VWR® Chemicals ISO 17025/ISO 17034 dual certified-density standards are for the verification of instruments used to measure the density of materials which are fluid at the desired test temperature.

Supplier: VWR Chemicals

VWR® ISO 17025 / ISO 17034 dual certified density standards are for the verification of instruments used to measure density of materials which are fluid at the desired test temperature.

Supplier: VWR Chemicals

For spectrophotometer calibration according to European Pharmacopoeia (Ph. Eur.)

Supplier: VWR Chemicals

Standard for spectrophotometer calibration, Holmium perchlorate standard solution, Reag. Ph. Eur, VWR®

Supplier: VWR Chemicals

Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis.

Supplier: VWR Chemicals

These solutions are developed and produced according to chapter 2.2.2. 'Degree of colouration of liquids' of the European Pharmacopoeia. (brown, brown-yellow, green-yellow, red and yellow). These kits are ready to use, and are dedicated to help you save time and money because preparation of these solutions is very complex.

Supplier: VWR Chemicals

Ready to use colour solutions that are prepared gravimetrically on a weight/weight basis.

Supplier: VWR Chemicals

Organic Standard, Propyzamide neat Certified Reference Material, Pack type: Glass ampoule

Supplier: VWR Chemicals

Sulphur CRMs are suitable for calibration, verification, or for use in quality control procedures used for analysing sulphur content in petroleum products.

Supplier: VWR Chemicals

Refractive index Certified Reference Materials (CRMs) are ideal for verification and calibration of temperature controlled refractometers, with each CRM providing certified values for refractive index measurements at 20, 25 and 30 °C.

Supplier: VWR Chemicals

VWR® ISO 17025 / ISO 17034 dual certified density standards are for the verification of instruments used to measure density of materials which are fluid at the desired test temperature within the range of 40 to 150 °C.

Supplier: Apollo Scientific

Standard for spectrophotometer calibration, SpectraSynQ 2121, Bottle