Method 4 Standard 1 Back Catalog number: 93233 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674745 Bromoxynil-methyl ether, 100 µg/ml, Acetonitrile, Price on request AC-SE15-030 Ethanol in serum control EtOH SE (1.5g/L), 10x3ml Price on request 680693 2,5-Dimethylphenol, 500mg Price on request