Quinoline Insolubles Q12 | Petrographic Atlas | SIU

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Crelling's Petrographic Atlas of Coals and Carbons

College of Science

Q12

q12

Frame ID: Q12

Sample ID: Quinoline Insolubles

Magnification: As given

Illuminator: Vertical

Objective: 25x oil

Polarizer: In

Analyzer: In

Retarder Plate: In

Filter: None

Important Features: Normal QI and mesophase

High Resolution Image (300 dpi)

Description: Mesophase spheres in pitch with Normal QI (colloidally dispersed solids). Note how the normal QI is pushed to the edges of the mesophase spheres.