Copper (Cu) Back Catalog number: 59258 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-12645-100MG Naphthalene-d8, 100mg Price on request 73623 1,1,3,3,5,5-Hexamethyltrisiloxane Price on request 59790 Nitrite as NO2- Price on request