Cations Mix Back Catalog number: 59891 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2561.18-100-ME Sodium p-n-dodecylbenzenesulfonate, 100µg/mL in MeOH, 1ml Price on request 63033 2',3,4-Trichlorobiphenyl (33) Price on request 82412 EPA Method 8240A Calibration Check Compounds Price on request