MA - EPH Surrogate Spike Rev 1.0/1.1 Back Catalog number: 51075 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70020R Aroclor 1254 Price on request 14728.22-K-AN Δ9-THC Carboxylic Acid A, 1000µg/ml in Acetonitrile, 1ml Price on request 59896 ICP/MS Mix 2 Price on request