Copper - 20 PPM Back Catalog number: 50594 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended AE-00057 Pesticide Mix #27, 1.0 µg/mL in Isooctane, 1ml Price on request SFA-005S Methyldodecanoate C12:0, 10mg/ml in Hexane, 1ml Price on request 681337 Florasulam Metabolite TSA, 10mg Price on request