Kotter Pattern - G48, 25mm
Specialist Designs
Kotter Pattern - G48, 25 mm
For analysis of bitumous coal and anthracite.
Reference
- I.S.O. 7404-4: 1988 (E). Methods for Analysis of Bitumous Coal and Anthracite. Part 4 and Methods of Determining Microlithotype Composition.
Normally used with 20x objective = calibration factor of 1. For use with 40x objective, specify calibration factor of 2. For 50x specify 2.5. For other objective magnifications, the reticle will need to be custom made.
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