Formaldehyde, 1000µg/ml in MeOH, 1ml Back Catalog number: 71762 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended MDF-238 2,3,8-Trichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 94587 PCB Congeners 1000 ppb Price on request BDE-199 2,2',3,3',4,5,5',6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene Price on request