P29
Frame ID: P29
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Circular structures
Description: Circular structures formed by mesophase formed in the petroleum feedstock in the fluid coker. Note the two structures at the right of the frame.