Metal Mix #1 Back Catalog number: 59985 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C521002 Citric Acid-2,2,4,4-d4, 10mg Price on request 9173.23-K-DMF Morphine-3-glucuronide, 1000µg base/mL, Solvent-DMF, Unit 1mL, # of units-1, Cas.no. 20290-09-9 Price on request 79575 Ethyl 4-hydroxybenzoate Price on request