Lithium (Li) Back Catalog number: 56103 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82466 EPA Method 8260B Mix #4 Price on request 57429 Copper (Cu) Price on request 11410.17-K-ME Norhydrocodone hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request