Proficiency Testing and PT Express™
Spex® CertiPrep 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
In partnership with USP, now offering Proficiency Testing products for a variety of testing schemes for both quantitative and qualitative test performance.
The Broadest Selection of Cannabis CRMs & PT
NEW! High Abundance Terpene Mix - our latest terpene mix takes into consideration the natural differences in concentration in a terpene profile.
