"Titration Solutions"

Supplier: VWR Chemicals

Sodium Standard, 1000 mg/L, VWR® ARISTAR®, Sodium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

Supplier: VWR Chemicals

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

Supplier: VWR Chemicals

Beryllium Standard, 1000 mg/L, VWR® ARISTAR®, Beryllium, Matrix: 2-5% HNO₃, Application: ICP-MS standards

Supplier: VWR Chemicals

Sulphur Standard, 1000 mg/L, VWR®, Sulphur, Matrix: H₂O, Application: ICP-MS standards

Supplier: VWR Chemicals

Tin Standard, 10 ppm, VWR® ARISTAR®, Tin, Matrix: 1% HNO₃, Application: ICP-MS standards

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

Avantor now offers a complete range of COD (Chemical Oxygen Demand) calibration standards (traceable to BAM) as CRM with concentrations between 20 and 10000 mg/L. Can be used to calibrate, control, verify or validate all COD test methods.