Petroleum Cokes P02 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

P02

p02

Frame ID: P02

Sample ID: Petroleum (Delayed) Coke

Magnification: As given

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter: None

Important Features: Needle coke

High Resolution Image (300 dpi)

Description: Typical needle coke derived from a petroleum feedstock. The parallel layers and linear fractures are distinctive and provide slip planes to relieve stress in the coke.