EPA Method 515.1 Internal Standard Back Catalog number: 31023 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681604 Dihydroxy quinoxaline, 100mg Price on request 9118.14-100-IO alpha-Isomethyl ionone, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 127-51-5 Price on request 11733.12-100-IO 2,2',3,3',4,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request
