Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1228.22-K-IO Bis(2-ethylhexyl) adipate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 103-23-1 Price on request 9135.12-50-IO 2,2',3,3',4,4',5,6'-Octabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 446255-39-6 Price on request 2816.11-10MG 7-Methyl-1-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 6939-33-9 Price on request