FA8/FA9
Frame ID: FA8/FA9
Sample ID: 91972 (slides 287-35, 287-36)
Magnification: 330 microns on long axis
Illuminator: Vertical
Objective: 32x oil
Polarizer: In
Analyzer: FA8 - out, FA-9 - in
Retarder Plate: FA8 - out, FA9 - in
Filter:
Important Features: Anisotropic coke
Anisotropic coke from a power plant burning high volatile A Central Appalachian coal. This carbon may be from petroleum coke.