ICP-MS Mix Back Catalog number: 50134 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11768.12-100-IO 2,3,3',4,5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 33551 Chloroethane Price on request 54117 Formic Acid (CH2O2) Price on request