Scroll
Frame ID: P01
Frame ID: P01
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
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.
Frame ID: 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
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.
Frame ID: P03
Frame ID: P03
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
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.
Frame ID: P04
Frame ID: P04
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
Description: Typical needle coke derived from a petroleum feedstock. The distinctive parallel layers and fractures are curved due to deformation in the plastic state.
Frame ID: P05
Frame ID: P05
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
Description: Typical needle coke derived from a petroleum feedstock. The distinctive parallel layers and fractures are curved due to deformation in the plastic state.
Frame ID: P06
Frame ID: P06
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
Description: Typical needle coke derived from a petroleum feedstock. The distinctive parallel layers and fractures are curved due to deformation in the plastic state.
Frame ID: P07
Frame ID: P07
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Coarse mesophase coke
Description: Coke derived from a petroleum feedstock that is transitional into a mesophase mixed-layer type structure.
Frame ID: P08
Frame ID: P08
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Coarse mesophase coke
Description: Coke derived from a petroleum feedstock that is transitional into a mesophase mixed-layer type structure.
Frame ID: P09
Frame ID: P09
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Coarse mesophase coke
Description: Coke derived from a petroleum feedstock that is transitional into a mesophase mixed-layer type structure.
Frame ID: P10
Frame ID: P10
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Coarse mesophase coke
Description: Coke derived from a petroleum feedstock that is transitional into a mesophase mixed-layer type structure. Note the nature of the layering based on different grain sizes.
Frame ID: P11
Frame ID: P11
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
Description: Coke derived from a petroleum feedstock showing an elongate porous flow texture.
Frame ID: P12
Frame ID: P12
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
Description: Coke derived from a petroleum feedstock that shows a medium-grained granular texture. Note the near absence of parallel flow texture.
Frame ID: P13
Frame ID: P13
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
Description: Coke derived from a petroleum feedstock that shows a fine-grained granular texture. Note the layering indicated by different grain sizes.
Frame ID: 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
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.
Frame ID: P15
Frame ID: P15
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
Description: Coke derived from a petroleum feedstock that shows a fine-grained granular texture.
Frame ID: P16
Frame ID: P16
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
Description: Coke derived from a petroleum feedstock that shows a fine-grained granular texture.
Frame ID: P17
Frame ID: P17
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
Description: Coke derived from a petroleum feedstock that shows a very fine-grained granular texture. Note the coarser grain size at the edges of the particle. The fine-grained area may be the initial stage of a shot structure.
Frame ID: P18
Frame ID: P18
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Sponge coke
Description: Coke derived from a petroleum feedstock that shows abundant pore structure. Note the flow texture in the coke cell walls.
Frame ID: P19
Description: Coke derived from a petroleum feedstock that shows abundant pore structure. Note the flow texture in the coke cell walls. High Resolution Image (300 dpi)
Frame ID: P20
Frame ID: P20
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Sponge coke
Description: Coke derived from a petroleum feedstock that shows abundant pore structure. Note the flow texture in the coke cell walls.
Frame ID: P21
Frame ID: P21
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Sponge coke
Description: Coke derived from a petroleum feedstock that shows abundant pore structure. Note the flow texture in the coke cell walls.
Frame ID: P22
Frame ID: P22
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Shot coke
Description: Coke derived from a petroleum feedstock that shows a shot structure. Note the circular area (shot) at the top of the frame. In hand specimen this type of coke consists of small spherical pellets.
Frame ID: P23
Frame ID: P23
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Shot coke
Description: Coke derived from a petroleum feedstock that shows a shot structure. Note the circular area (shot) at the bottom of the frame. In hand specimen this type of coke consists of small spherical pellets.
Frame ID: P24
Frame ID: P24
Sample ID: Petroleum (Delayed) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Shot coke
Description: Coke derived from a petroleum feedstock that shows a shot structure. Note the circular area (shot) in the middle of the frame. In hand specimen this type of coke consists of small spherical pellets.
Frame ID: P25
Frame ID: P25
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Mesophase spheres
Description: Mesophase spheres formed in the petroleum feedstock in the fluid coker.
Frame ID: P26
Frame ID: P26
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Mesophase spheres
Description: Mesophase spheres formed in the petroleum feedstock in the fluid coker.
Frame ID: P27
Frame ID: P27
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Circular structures
Description: Circular structures formed by mesophase formed in the petroleum feedstock in the fluid coker.
Frame ID: P28
Frame ID: P28
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Circular structures
Description: Circular structures formed by mesophase formed in the petroleum feedstock in the fluid coker.
Frame ID: P29
Frame ID: P29
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Circular structures
Description: Circular structures formed by mesophase formed in the petroleum feedstock in the fluid coker. Note the two structures at the right of the frame.
Frame ID: P30
Frame ID: P30
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Circular structures
Description: Circular structures formed by mesophase formed in the petroleum feedstock in the fluid coker.
Frame ID: P31
Frame ID: P31
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Circular structures
Description: Circular structures formed by mesophase formed in the petroleum feedstock in the fluid coker.
Frame ID: P32
Frame ID: P32
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Circular structures
Description: Circular structures formed by mesophase formed in the petroleum feedstock in the fluid coker.
Frame ID: P33
Frame ID: P33
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fluid coke particles
Description: Fluid coke particles formed in the fluid coker. Note the round shape of the particles and the green edge-ring growth. Also note the agglomeration in the center particle.
Frame ID: P34
Frame ID: P34
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fluid coke particles
Description: Fluid coke particles formed in the fluid coker. Note the round shape of the particles and the green edge-ring growth. Also note the agglomeration in the center particle.
Frame ID: P35
Frame ID: P35
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fluid coke particles
Description: Fluid coke particle formed in the fluid coker. Note the signs of agglomeration and the different types of fraction patterns.
Frame ID: P36
Frame ID: P36
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fluid coke particles
Description: Fluid coke particle formed in the fluid coker. Note the concentric fracture patterns.
Frame ID: P37
Frame ID: P37
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fluid coke particles
Description: Fluid coke particle formed in the fluid coker. Note the signs of agglomeration and the concentric fracture patterns.
Frame ID: P38
Frame ID: P38
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fluid coke particles
Description: Fluid coke particle formed in the fluid coker. Note the signs of agglomeration and the concentric fracture patterns.
Frame ID: P39
Frame ID: P39
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fluid coke particles
Description: Fluid coke particle formed in the fluid coker showing concentric structure and spoke-like extinction patterns.
Frame ID: P40
Frame ID: P40
Sample ID: Petroleum (Fluid) Coke
Magnification: As given
Illuminator: Vertical
Objective: 50x oil
Polarizer: In
Analyzer: In
Retarder Plate: In
Filter: None
Important Features: Fluid coke particles
Description: Fluid coke particle formed in the fluid coker showing concentric structure and spoke-like extinction patterns.