WS-SDWA Silica as SiO2 Back Catalog number: 55082 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1956.16-K-IO 2-Phenylnaphthalene, 1000µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 612-94-2 Price on request 2578.28-5UG Diindeno[4,3,2,1-cdef;1',2',3'-hi]chrysene, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 169331-76-4 Price on request 59863 Mix 3 Price on request