Copper AA Standard (Cu) Back Catalog number: 50459 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50222 Conductance @ 20°C [50 µmho/cm] Price on request 11128.9-10MG Tris(1-chloro-2-propyl) phosphate,neat,neat,10mg, Price on request 677162 Fentin chloride, 250mg Price on request