G31
Frame ID: G31
Sample ID: Graphite
Magnification: As given
Illuminator: Vertical
Objective: 25x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Baked graphite electrode
Description: This frame shows a typical baked electrode with petroleum coke fragments (large pieces of needle coke). Note the parallel cracks along the long axis of the coke particles and the good bonding on the end of the same particles.