What does a "Absorber Cu 99,9 %" part have to do with a Bruker D2-Phaser XRD?

Among the accessories that came with it is a "Absorber Cu 99,9%" P/N "A17-B53." This appears to be associated with the Lynxeye, but I can't find any information for it. The XRD came with both Cu...

01 January 1970 6,170 3 View