EPA Method 525 Spike C Back Catalog number: 92314 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676486 Leucine Enkephalin acetate salt, 25mg Price on request 676434 Atrazine-desethyl-desisopropyl, 100µg/ml, Acetonitril, 1ml Price on request 10659.6-25-AN U-{13C6}-Kojic Acid Price on request