Arsenic (As) Back Catalog number: 57233 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0271.24-200-T Naphtho[2,3-k]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-18-1 Price on request 678119 D10-Chlorpyrifos, 100 µg/ml, Acetonitrile, 5ml Price on request 82476 CCC Class IV- Method 8261 Price on request