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Last Updated: Aug 01, 2025, 11:05 AM
Frame ID: C17
Sample ID: Coal Combustion Char
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Char Rank Series
High Resolution Image (300 dpi)
Description: This isotropic char is from a high volatile bituminous coal with a reflectance of 0.59% (mean max in oil). This char was produced in an entrained flow reactor in nitrogen with a heating rate of 104-105 degrees C per second with a residence time of approximately one second at a maximum temperature of 1000 degrees C.