828 Results for: "Certified Reference Materials, Rocklabs"

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: VWR Chemicals

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

Supplier: VWR Chemicals

Bandwidth standards.

Supplier: MACRON AVANTOR BRAND

Corrosive.

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

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

Standard for spectrophotometer calibration, Holmium perchlorate standard solution, Reag. Ph. Eur, VWR®, Pk Info: 3× 10 ml

Supplier: VWR Chemicals

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

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

All turbidity standard solutions are Certified Reference Materials.

Supplier: VWR Chemicals

Flash point Certified Reference Materials are for the verification of laboratory flash point instruments that are used in testing petroleum and derivative products. PMCC flash point standards are tested and certified in accordance with ASTM D93 'Standard Test Method for Flash Point by Pensky Martens Closed Cup Tester - Procedure A'

Supplier: VWR Chemicals

CRM's - secondary reference materials intended for standardisation of volumetric solutions in accordance with the Pharmacopoeia (Ph. Eur. and USP). These volumetric standards are prepared from high purity salts. Certified mass fraction is determined by classical analysis according to ISO/IEC 17025. Homogeneity and stability studies have been performed according to the requirements of ISO 17034 and ISO Guide 35. All volumetric standards are traceable to SI (NIST or BAM).

Supplier: VWR Chemicals

Cloud Point Certified Reference Materials are for the verification of laboratory instruments used in testing petroleum and derivative products for Cloud Point according to IP 219, ISO 3015, EN 23015, ASTM D2500 and other equivalent test methodology.

Supplier: VWR Collection

VWR® absorbents and spill-containment products help keep your employees and work environment safe from unexpected spills, leaks, drips or other accidents.

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

These refill sets can be used with five types of SPILL-X® treatment kits. They are available in different formats.

Supplier: VWR Collection

VWR® absorbents and spill containment products help keep your employees and work environment safe from unexpected spills, leaks, drips or other accidents.

Supplier: VWR Chemicals

Flash point Certified Reference Materials are for the verification of laboratory flash point instruments that are used in testing petroleum and derivative products. COC flash point standards are tested and certified in accordance with ASTM D92 'Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester.'

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

This certified reference material is produced using a high purity starting material, acid from sub-boiling and 18 MOhm deionized water and filtered through a 0.2 micron filter.