Arsenic (As) Back Catalog number: 50193 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96613 Quinine.HCl Price on request 675650 Pyridalyl, 10.0 µg/ml, Ethyl acetate, 10ml Price on request MET-12478DM1-1ML Metolachlor OA, 100µg/ml in MeOH, 1ml Price on request