Spiking Standard 2 Back Catalog number: 52065 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66057 2,3,3',5-Tetrachlorobiphenyl Price on request 8796.30-5UG Seco-18ß(H)-oleanane A2-2; 17,18-cis-8,14-seco-oleanane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. Price on request 0207.22-5MG Benzo[a]tetracene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 226-88-0 Price on request