Arsenic (As) Back Catalog number: 57833 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11752.12-100-IO 2,3,3',4,5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 82408 2-Chloroethyl vinyl ether Price on request 56058 Cerium (Ce) Price on request