Arsenic (As) Back Catalog number: 59565 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674695 Napropamide, 100 µg/ml, Cyclohexane, 5ml Price on request 0484.16-200-T Benzo[b]naphtho[2,3-d]thiophene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 243-46-9 Price on request 679837 Tributyl phosphate, 100 µg/ml, Methanol, 5ml Price on request