MINERALOGICAL COMPOSITION AND PROPERTIES OF PELOID FROM DUČEVAC, SERBIA, TRADITIONALLY APPLIED TO HAIR TREATMENT
Authors
0000-0002-0520-1413
0000-0001-5048-4769
0000-0002-1865-4788
0000-0001-7093-187X
0000-0002-5730-7391
0000-0001-6120-6924
0000-0001-7571-8445
Keywords
Peloid, Dučevac, Hair treatment, Mineralogical properties
Abstract
This study analyzes mineralogical composition and properties of two samples sourced from Dučevac, Serbia, which are traditionally used in hair treatment. This investigation provides the first systematic, multidisciplinary characterization of the specified material, comparing the samples with respect to their mineralogical phases, chemistry, and physicochemical properties. Notably, sample 1.1 is primarily calcite, with a smaller amount of clay minerals (illite, kaolinite, and smectite). In contrast, sample 1.2 showcases a blend of illite and quartz, with small amounts of other clay minerals (smectite, kaolinite, chlorite) and plagioclase. Sample 1.1 has higher amounts of CaO (9.83 wt.%) and Na2O (2.97 wt.%) than sample 1.2; in return, sample 1.2 has higher amounts of Fe2O3 (4.25 wt.%) and MgO (4.61 wt.%). In terms of pH, both samples are moderately acidic, with CEC values ranging from 8 to 9 meq/100g, and SSA measurements between 66 and 75 m²/100g. The color also reflects distinct variations, with sample 1.1 registering at 583 nm and sample 1.2 at 573 nm. All analytical values align with reference peloids found in literature, enhancing our understanding of the samples' characteristics and origins. This highlights the material's geological significance and the importance of preserving traditional practices as part of the region's geoheritage.
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