Arsenic (As) Back Catalog number: 59785A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11699.12-100-IO 2,3,4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 0602.27-100-IO alphaßß (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 69483-47-2 Price on request 673734 Atrazine, 10.0 µg/ml, Ethyl acetate, 10ml Price on request