EPA 1620 Standard 3 Back Catalog number: 52141 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13768.9-100-ME Lamotrigine-13C3,d3, 100µg/ml in MeOH, 1ml Price on request 50595 Mercury (Hg) Price on request 53065 Spiking Standard 2 Price on request