World-wide Trusted Source for Reliable Calibration Standards for Petroleum Products and Lubricants.

Analytical Services, Inc. (USA) are leading industry experts in the formulation of complex and difficult to prepare multi-element XRF standards for analysis of lubricants and other types of petroleum products. Analytical Services, Inc. offers suphur free WM series wear metal and ORGM standards suitable for XRF, ICP and AA analysis. Also available is a wide range of sulphur, chlorine, nitrogen and metals standards in various matrices as catalogue items or as custom sets to fit almost any special requirements. Petroleum physical testing standards such as TAN, TBN, Bromine Index, viscosity, cloud point and flash point are also catalogue items,

as is a complete line of biodiesel standards that satisfy ASTM D6751 and EN14214.

All standards are produced and certified “in-house” and are accompanied with a Certificate of Analysis indicating traceability to NIST and ASTM methods, validity and relative degree of uncertainty. Analytical Services, Inc.

can accommodate special formulation requests to serve specific needs of individual laboratories.