Freon Gas Standard Back Catalog number: 98948 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended PN-4S 1,3-Dichloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request 681587 13C4-Fipronil, 100 µg/ml, Acetonitrile, 1ml Price on request 3042.8-K-ME o-Xylene-d10, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 56004-61-6 Price on request