Ceramics-Silikáty 35, (4) 379 - 390 (1991) |
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METHODOLOGICAL INSTRUCTIONS FOR MERCURY POROSIMETRY OF CLASTIC SEDIMENTARY ROCKS
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Kolář Petr 1, Martinec Petr 1, Beneš Petr 2
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1 Coal Research Institute, Pikartská 7, 716 07 Ostrava-Radvanice, Czechoslovakia
2 Mine Survey and Safety, 739 21 Paskov, Czechoslovakia
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Mercury porosimetry of elastic sedimentary rocks should be carried out on sample lumps of the following minimum dimensions: claystones to siltstones 7 mm, fine grained sandstones 8 mm, coarse-grained sandstones and conglomerates 10 mm and more (in dependence on the size of elastic grains). If the recommended sample sizes are not adhered to, rock artefacts are in fact analyzed. The pore volume distribution curves established on Carlo Erba and Micromeritics mercury porosimeters can be well unified on considering the respective differences in design. |
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