Copper (Cu) - 1 PPM Back Catalog number: 50590 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9772.7-1ML Isopentyl acetate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 123-92-2 Price on request 8969.39-100-T 3-Chloro-1,2-propandiol-distearate Price on request 1313.10-5G 1-Fluoronaphthalene,neat,neat,5g, Price on request