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@article{1430303,
author = {Zimák, Jiří and Štelcl, Jindřich and Všianský, Dalibor},
article_number = {October 2018},
doi = {http://dx.doi.org/10.1016/j.catena.2018.05.028},
keywords = {Reflectance colourimetry Cement raw materials; Limestones; Non-carbonate components; Moravian Karst},
language = {eng},
issn = {0341-8162},
journal = {Catena},
title = {Reflectance colourimetry as a method for estimating the approximate quantity of non-carbonate components in limestones: A case study in the Mokrá Quarry (Czech Republic)},
url = {https://doi.org/10.1016/j.catena.2018.05.028},
volume = {169},
year = {2018}
}
TY - JOUR
ID - 1430303
AU - Zimák, Jiří - Štelcl, Jindřich - Všianský, Dalibor
PY - 2018
TI - Reflectance colourimetry as a method for estimating the approximate quantity of non-carbonate components in limestones: A case study in the Mokrá Quarry (Czech Republic)
JF - Catena
VL - 169
IS - October 2018
SP - 90-95
EP - 90-95
PB - Elsevier Science
SN - 03418162
KW - Reflectance colourimetry Cement raw materials
KW - Limestones
KW - Non-carbonate components
KW - Moravian Karst
UR - https://doi.org/10.1016/j.catena.2018.05.028
L2 - https://doi.org/10.1016/j.catena.2018.05.028
N2 - This paper demonstrates the applicability and usefulness of colourimetry as a fast and simple tool to assess the quality of limestones for cement and lime industry raw materials, a field where colourimetric measurements have not yet been applied. The results of the colourimetric analysis in a large sample set from the Mokrá Quarry in the Moravian Karst (NE from Brno, Czech Republic) and comparisons with the results obtained by other methods are presented here. The studied samples belong to two lithologically different series of strata: the Macocha Formation and the Líšeň Formation. Limestones of these formations differ in structure, the contents of their non-carbonate components and, therefore, in colour as well. The samples were prepared in four ways for the purposes of colourimetric measurements: i) unpolished bulk samples (fracture planes were measured), ii) polished sections, iii) powder in a plastic bag, and iv) uncovered powder. Each of these four ways led to different results, which were expressed using the CIE L*a*b* colour space. The L* (specific lightness) value gives an approximate estimate as to the amount of non-carbonate components. The specific lightness value can be used for assigning a sample to a lithostratigraphic member and, in many cases, possibly also to a correlation among members.
ER -
ZIMÁK, Jiří, Jindřich ŠTELCL and Dalibor VŠIANSKÝ. Reflectance colourimetry as a method for estimating the approximate quantity of non-carbonate components in limestones: A case study in the Mokrá Quarry (Czech Republic). \textit{Catena}. Elsevier Science, 2018, vol.~169, October 2018, p.~90-95. ISSN~0341-8162. Available from: https://dx.doi.org/10.1016/j.catena.2018.05.028.
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