Cations Mix Back Catalog number: 59443 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59746 Anions Mix #2 Price on request MTBBPA 3,3',5,5'-Tetrabromobisphenol-A [rings; 13C12], 50µg/ml in MeOH, 1,2ml Price on request 2972.14-100-IO 2,4'-DDT-d8, 100µg/ml in Isooctane, 1ml Price on request