Arsenic (As) Back Catalog number: 50439 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2663.10-100-CY Toxaphene Price on request 71583 2,3,6-Trichlorophenol-PFB derivative Price on request 90889 Metolachlor, 100µg/ml in MeOH, 1ml Price on request