Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9127.12-K-IO Tri-n-butyltin-d27 chloride, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1257647-76-9 Price on request 70283 Toxaphene Price on request 676282 Dicrotophos, 100 µg/ml, Methanol, 1ml Price on request