Quinoline Insolubles Q11 | Petrographic Atlas | SIU

Home
Southern Illinois University

CONTACT

SIU.EDU

Crelling's Petrographic Atlas of Coals and Carbons

College of Science

Q11

q11

Frame ID: Q11

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 in pitch

High Resolution Image (300 dpi)

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