Supplier: Merck

Turbidity Standard, Turbidity - QC, Type: Formazine

Supplier: Merck

RRO standard, Supelco®, 1000 µg/ml in methylene chloride

Supplier: Merck

Certified Reference Microorganisms

Supplier: Merck

Organic Standard, Paraxanthine solution, ampoule of 1 ml

Supplier: Merck

Certified Reference Microorganisms

Supplier: Apollo Scientific

Standard for spectrophotometer calibration, SpectraSynQ 2121, Bottle

Supplier: PROLABO CMP

Colour standard, Primary solution yellow (1 ml solution contains 45.0 mg FeCl₃.6H₂O) Reag. Ph. Eur., Glass bottle

Supplier: Merck

Chemizorb granules is a coarse grained material based on chemically-inert porous minerals or synthetic co-polymers (grain size over 1 mm (95%), bulk density of 400 kg/m³).

Supplier: Merck

Organic Standard, Zearalenone solution, Ampoule of 1 ml

Supplier: Merck

PAH Mix 3, Supelco®, Certified reference material, in methylene chloride: methanol (1:1) (varied), : N/A

Supplier: VWR Chemicals

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

Supplier: Merck

Chemizorb® Hg is an all-inclusive set of reagents and auxiliaries for the safe and complete removal of drops of mercury and of traces of elemental mercury.

Supplier: Merck

Chemizorb Hydrofluoric Acid (HF) is a powder mixture consisting of a synthetic copolymer as the absorbent, a calcium salt as a neutraliser and precipitant, and a pH indicator.

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: Merck

Sulphite in water, Supelco®, Application: UV/Visible

Supplier: Merck

TCLP Metals in Soil, Supelco®, Certified reference material, : N/A

Supplier: Merck

Chromium VI in Soil, Supelco®, Certified reference material, : N/A

Supplier: Merck

Trace Metals (Dissolved) - 1, Supelco®, Certified reference material, : N/A

Supplier: Merck

Trace Metals 2-WP, Supelco®, Certified reference material, : N/A

Supplier: Merck

This certified reference material is useful for determining relative retention times and approximating response factors.

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: Merck

Chlorinated Pesticides in Soil, Supelco®, Certified reference material, : N/A

Supplier: Merck

Dioxin and Furans in Soil, Supelco®, Certified reference material, : N/A

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: Merck

Nitrosamines/Nitroaromatics - WP, Supelco®, Certified reference material, : N/A

Supplier: Merck

Dissolved Oxygen - WP, Supelco®, Certified reference material, : N/A

Supplier: Merck

Total Cyanide-WP, Supelco®, Certified reference material, : N/A

Supplier: Merck

Anionic Surfactant - WP, Supelco®, Certified reference material, : N/A

Supplier: Merck

VOC Calibration Verification, Supelco®, Certified reference material, : N/A

Supplier: Merck

Trace Metals (Dissolved) - 2, Supelco®, Certified reference material, : N/A