Stranaska Scientific LLC is the world-wide industry leader in analytical UV/VIS absorption spectrophotometric metrology. In addition to our unique NIST heritage, Stranaska Scientific LLC is the only global member company of the prestigious international organization CITAC that specializes in metrological traceability for the certification of secondary reference material artifacts for analytical UV/VIS absorption spectrophotometers.

Stranaska Scientific LLC is UNIQUELY QUALIFIED because we are the ONLY commercial provider of certified UV/VIS filter calibrations in the world that can PROVE and DEMONSTRATE its NIST heritage!