Air Spiking Standard Back Catalog number: 91564 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96629 Opiate Standard Price on request P355TMHXA Perfluoro-3,5,5-trimethylhexanoic acid, 1.2ml x 50ug/ml, methanol Price on request 678380 4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml Price on request