Arsenic (As) Back Catalog number: 59785 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681929 Methothrin, 100µg/ml in Acetonitrile, 5ml Price on request 11750.12-100-IO 2,3,3',4,4',6-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request XA17850000CY Trifluralin, 100µg/mL in Cyclohexane, 1ml Price on request