Method 1640 Tuning Standard Back Catalog number: 53147 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2168.12-200-T 4'-Fluoro-2,2',3,3',4,5,5',6,6'-nonabromodiphenyl ether,200 µg/mL,toluene,1mL, Price on request 679568 Buquinolate, 10mg Price on request 73459 4-Ethoxyphenol Price on request