Petroleum Cokes P14 | Petrographic Atlas | SIU

Home
Southern Illinois University

CONTACT

SIU.EDU

Crelling's Petrographic Atlas of Coals and Carbons

College of Science

P14

p14

Frame ID: P14

Sample ID: Petroleum (Delayed) Coke

Magnification: As given

Illuminator: Vertical

Objective: 50x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter: None

Important Features: Granular coke

High Resolution Image (300 dpi)

Description: Coke derived from a petroleum feedstock that shows a fine-grained granular texture. Note the near absence of parallel flow texture and the layering shown by variations in grain size.