Copper (Cu) - 7 PPM Back Catalog number: 50744 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1692.12-100-TX10 2-Fluorodibenzothiophene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 177586-38-8 Price on request 70018R Aroclor 1242 Price on request 79130 4-Chloro-3-methylphenol Price on request