Petroleum Cokes P25 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

P25

p25

Frame ID: P25

Sample ID: Petroleum (Fluid) Coke

Magnification: As given

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter: None

Important Features: Mesophase spheres

High Resolution Image (300 dpi)

Description: Mesophase spheres formed in the petroleum feedstock in the fluid coker.