Proficiency Testing and PT Express™
Spex now offers Proficiency Testing and PT Express products for a variety of testing schemes for both quantitative and qualitative test performance.
USP Proficiency Testing Program
Spex/NSI, in partnership with USP, now offers Proficiency Testing products for a variety of testing schemes for both quantitative and qualitative test performance.
The Broadest Selection of Cannabis CRMs and PT
NEW! High Abundance Terpene Mix: CAN-TERP-HA - our new terpene mix takes into consideration the natural differences in concentration amongst the various compounds in a terpene profile.
