RI Equivalent Aqueous Urea Solutions

Callibration & Services

Refractometer Callibration RI Equivalent Aqueous Urea Solutions

Users of refractometers for the testing of Diesel Exhaust Fluids require some specific calibration materials. Manufacturers need an extremely high accuracy CRM to comply with ISO22241-2, whilst users in the field need longevity of product.

Bellingham + Stanley offer two product types (SS-AUS & BS-AUS) based on existing fluids that have an equivalent refractive index to 32.5% Urea.

Shelf Life:

SS-AUS 6 Weeks which is relatively short may only be purchased on a Supply Contract basis, where a single purchase order commits to the supply on a bi-weekly, monthly or quarterly basis over a 12-month period.
BS-AUS 12 Months

Manufactured in accordance EN ISO/IEC 17025:2005, these CRM's are supplied with a UKAS Certificate showing traceability to NIST and ICUMSA at 20°C and 589nm.

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