Remarks:
Primary reference materials containing ethanol in synthetic air are available in a range of composition. Nominal fraction range: 50 ppm to 850 ppm (mol/mol). Within the listed range any composition can be supplied. Cylinder Pressure 11,5 MPa Cylinder Valve Outlet DIN 477 No 1 Approximate deliverable volume 0,6 m3 depending on the composition.

Intended Use:
The listed ranges are suitable for use in compliance with OIML R 126 (Evidential breath analyzers). Other compositions, including interfering substances, are available on request.

CRM Certificate:  Example PRM in Synthetic air.pdf

Producer: (click for contact & purchase details)
 VSL (Netherlands)

This material is produced under a valid ISO 17034 accreditation | This material is linked to statutory activities as a national metrology institute (NMI) / a designated institute (DI)

Remarks:
Primary Reference Materials containing Sulfer dioxide in synthetic are available in various compositions. Nominal fraction range: 1 ppm to 1 % (mol/mol). Within the listed range any composition can be supplied. Each mixture is prepared individually according to ISO 6142-1:2015 "Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures". After preparation the composition is verified against the National Primary Standard Gas Mixtures of the Netherlands. Cylinder Pressure 11,5 MPa Cylinder Valve Outlet DIN 477 No 1 Approximate deliverable volume 0,6 m3 depending on the composition.

Intended Use:
This Primary Reference Materials is intended to be used for calibrating instruments and evaluating analytical methods. E.g.: Determination of all kinds of emissions in the environment, such as pollutants and greenhouse gases; automotive test gases which are prescribed in OIML recommendation R 99 “Instruments for measuring vehicle exhaust emissions”; etc. etc.

CRM Certificate:  Example PRM in Synthetic air.pdf

Producer: (click for contact & purchase details)
 VSL (Netherlands)

This material is produced under a valid ISO 17034 accreditation | This material is linked to statutory activities as a national metrology institute (NMI) / a designated institute (DI)

Remarks:
Each mixture is prepared individually according to ISO 6142-1:2015 "Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures". After preparation the composition is verified against the National Primary Standard Gas Mixtures of the Netherlands. Cylinder Pressure 11,5 MPa Cylinder Valve Outlet DIN 477 No 1 Approximate deliverable volume 0,6 m3 depending on the concentration.

Intended Use:
The listed Primary Reference Materials (PRMs) are typical examples of standard gas mixtures used in blood gas determination, respiratory and anesthesia monitoring. Other compositions, including other components, are available on request.

CRM Certificate:  not yet available

Producer: (click for contact & purchase details)
 VSL (Netherlands)

This material is produced under a valid ISO 17034 accreditation | This material is linked to statutory activities as a national metrology institute (NMI) / a designated institute (DI)