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Qualitative and quantitative analysis of calcium-based microfillers using terahertz spectroscopy and imaging
In different industrial applications, several strictly defined parameters of calcium-based microfillers such as average particle size, particle size distribution, morphology, specific surface area, polymorphism and chemical purity, play a key role in the determination of its usefulness and effective...
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| Published in: | Talanta (Oxford) 2015-10, Vol.143, p.169-177 |
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| Main Authors: | , , , , , , , |
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| container_title | Talanta (Oxford) |
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| creator | Abina, Andreja Puc, Uroš Jeglič, Anton Prah, Jana Venckevičius, Rimvydas Kašalynas, Irmantas Valušis, Gintaras Zidanšek, Aleksander |
| description | In different industrial applications, several strictly defined parameters of calcium-based microfillers such as average particle size, particle size distribution, morphology, specific surface area, polymorphism and chemical purity, play a key role in the determination of its usefulness and effectiveness. Therefore, an analytical tool is required for rapid and non-destructive characterization of calcium-based microfillers during the synthesis process or before its use in a further manufacturing process. Since spectroscopic techniques are preferred over microscopy and thermogravimetry, particularly due to its non-destructive nature and short analysis time, we applied terahertz (THz) spectroscopy to analyse calcite microfillers concentration in polymer matrix, its granulation and chemical treatment. Based on the analysis of peak absorbance amplitude, peak frequency position, and the appearance of additional spectral features, quantitative and qualitative analysis was successfully achieved. In addition, THz imaging was also applied for both quantitative and qualitative analysis of calcium-based microfillers. By using spatial distribution map, the inhomogeneity in concentration of calcium carbonate in polymer matrix was characterized. Moreover, by THz spectroscopy and imaging different calcium compounds were detected in binary mixtures. Finally, we demonstrated that the applied spectroscopic technique offers valuable results and can be, in combination with other spectroscopic and microscopic techniques, converted to a powerful rapid analytical tool.
[Display omitted]
•CaCO3 and CaO show characteristic spectral response in THz frequency range.•THz spectroscopy can distinguish different chemical treatments and granulations.•THz spectroscopy and imaging can identify calcium compounds in the limestone cycle.•Concentration inhomogeneity of microfiller in polymer is detected by THz imaging. |
| doi_str_mv | 10.1016/j.talanta.2015.05.027 |
| format | article |
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[Display omitted]
•CaCO3 and CaO show characteristic spectral response in THz frequency range.•THz spectroscopy can distinguish different chemical treatments and granulations.•THz spectroscopy and imaging can identify calcium compounds in the limestone cycle.•Concentration inhomogeneity of microfiller in polymer is detected by THz imaging.</description><identifier>ISSN: 0039-9140</identifier><identifier>EISSN: 1873-3573</identifier><identifier>DOI: 10.1016/j.talanta.2015.05.027</identifier><identifier>PMID: 26078145</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Calcium-based microfillers ; Granulation ; Surface treatment ; Terahertz pulsed imaging ; Terahertz time-domain spectroscopy</subject><ispartof>Talanta (Oxford), 2015-10, Vol.143, p.169-177</ispartof><rights>2015 Elsevier B.V.</rights><rights>Copyright © 2015 Elsevier B.V. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-48c9a3242e72cab7a3353a6fc97b36ee2c96d1054d4809da91d62f52687d0e493</citedby><cites>FETCH-LOGICAL-c365t-48c9a3242e72cab7a3353a6fc97b36ee2c96d1054d4809da91d62f52687d0e493</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26078145$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Abina, Andreja</creatorcontrib><creatorcontrib>Puc, Uroš</creatorcontrib><creatorcontrib>Jeglič, Anton</creatorcontrib><creatorcontrib>Prah, Jana</creatorcontrib><creatorcontrib>Venckevičius, Rimvydas</creatorcontrib><creatorcontrib>Kašalynas, Irmantas</creatorcontrib><creatorcontrib>Valušis, Gintaras</creatorcontrib><creatorcontrib>Zidanšek, Aleksander</creatorcontrib><title>Qualitative and quantitative analysis of calcium-based microfillers using terahertz spectroscopy and imaging</title><title>Talanta (Oxford)</title><addtitle>Talanta</addtitle><description>In different industrial applications, several strictly defined parameters of calcium-based microfillers such as average particle size, particle size distribution, morphology, specific surface area, polymorphism and chemical purity, play a key role in the determination of its usefulness and effectiveness. Therefore, an analytical tool is required for rapid and non-destructive characterization of calcium-based microfillers during the synthesis process or before its use in a further manufacturing process. Since spectroscopic techniques are preferred over microscopy and thermogravimetry, particularly due to its non-destructive nature and short analysis time, we applied terahertz (THz) spectroscopy to analyse calcite microfillers concentration in polymer matrix, its granulation and chemical treatment. Based on the analysis of peak absorbance amplitude, peak frequency position, and the appearance of additional spectral features, quantitative and qualitative analysis was successfully achieved. In addition, THz imaging was also applied for both quantitative and qualitative analysis of calcium-based microfillers. By using spatial distribution map, the inhomogeneity in concentration of calcium carbonate in polymer matrix was characterized. Moreover, by THz spectroscopy and imaging different calcium compounds were detected in binary mixtures. Finally, we demonstrated that the applied spectroscopic technique offers valuable results and can be, in combination with other spectroscopic and microscopic techniques, converted to a powerful rapid analytical tool.
[Display omitted]
•CaCO3 and CaO show characteristic spectral response in THz frequency range.•THz spectroscopy can distinguish different chemical treatments and granulations.•THz spectroscopy and imaging can identify calcium compounds in the limestone cycle.•Concentration inhomogeneity of microfiller in polymer is detected by THz imaging.</description><subject>Calcium-based microfillers</subject><subject>Granulation</subject><subject>Surface treatment</subject><subject>Terahertz pulsed imaging</subject><subject>Terahertz time-domain spectroscopy</subject><issn>0039-9140</issn><issn>1873-3573</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqFkFFrFDEQx4Mo9qx-BGUffdlzkuwmmyeRYmuhUAr6HOaS2Zoje3tNsoXz05t6pz4WBgLhN_-Z-TH2nsOaA1eftuuCEXcF1wJ4v4ZaQr9gKz5o2cpey5dsBSBNa3gHZ-xNzlsAEBLka3YmFOiBd_2KxbsFYyhYwiM1uPPNw1JD_39gPOSQm3lsHEYXlqndYCbfTMGleQwxUsrNksPuvimU8Cel8qvJe3IlzdnN-8Of0DDhfUXeslcjxkzvTu85-3H59fvFt_bm9ur64stN66TqS9sNzqAUnSAtHG40StlLVKMzeiMVkXBGeQ5957sBjEfDvRJjL9SgPVBn5Dn7eMzdp_lhoVzsFLKjWH3RvGTL1WCUkFpARfsjWs_JOdFo96lumw6Wg30Sbbf2JNo-ibZQS-ja9-E0YtlM5P91_TVbgc9HgOqhj4GSzS7QzpEPqdqxfg7PjPgNuAWT-Q</recordid><startdate>20151001</startdate><enddate>20151001</enddate><creator>Abina, Andreja</creator><creator>Puc, Uroš</creator><creator>Jeglič, Anton</creator><creator>Prah, Jana</creator><creator>Venckevičius, Rimvydas</creator><creator>Kašalynas, Irmantas</creator><creator>Valušis, Gintaras</creator><creator>Zidanšek, Aleksander</creator><general>Elsevier B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20151001</creationdate><title>Qualitative and quantitative analysis of calcium-based microfillers using terahertz spectroscopy and imaging</title><author>Abina, Andreja ; Puc, Uroš ; Jeglič, Anton ; Prah, Jana ; Venckevičius, Rimvydas ; Kašalynas, Irmantas ; Valušis, Gintaras ; Zidanšek, Aleksander</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-48c9a3242e72cab7a3353a6fc97b36ee2c96d1054d4809da91d62f52687d0e493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Calcium-based microfillers</topic><topic>Granulation</topic><topic>Surface treatment</topic><topic>Terahertz pulsed imaging</topic><topic>Terahertz time-domain spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abina, Andreja</creatorcontrib><creatorcontrib>Puc, Uroš</creatorcontrib><creatorcontrib>Jeglič, Anton</creatorcontrib><creatorcontrib>Prah, Jana</creatorcontrib><creatorcontrib>Venckevičius, Rimvydas</creatorcontrib><creatorcontrib>Kašalynas, Irmantas</creatorcontrib><creatorcontrib>Valušis, Gintaras</creatorcontrib><creatorcontrib>Zidanšek, Aleksander</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Talanta (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abina, Andreja</au><au>Puc, Uroš</au><au>Jeglič, Anton</au><au>Prah, Jana</au><au>Venckevičius, Rimvydas</au><au>Kašalynas, Irmantas</au><au>Valušis, Gintaras</au><au>Zidanšek, Aleksander</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Qualitative and quantitative analysis of calcium-based microfillers using terahertz spectroscopy and imaging</atitle><jtitle>Talanta (Oxford)</jtitle><addtitle>Talanta</addtitle><date>2015-10-01</date><risdate>2015</risdate><volume>143</volume><spage>169</spage><epage>177</epage><pages>169-177</pages><issn>0039-9140</issn><eissn>1873-3573</eissn><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>In different industrial applications, several strictly defined parameters of calcium-based microfillers such as average particle size, particle size distribution, morphology, specific surface area, polymorphism and chemical purity, play a key role in the determination of its usefulness and effectiveness. Therefore, an analytical tool is required for rapid and non-destructive characterization of calcium-based microfillers during the synthesis process or before its use in a further manufacturing process. Since spectroscopic techniques are preferred over microscopy and thermogravimetry, particularly due to its non-destructive nature and short analysis time, we applied terahertz (THz) spectroscopy to analyse calcite microfillers concentration in polymer matrix, its granulation and chemical treatment. Based on the analysis of peak absorbance amplitude, peak frequency position, and the appearance of additional spectral features, quantitative and qualitative analysis was successfully achieved. In addition, THz imaging was also applied for both quantitative and qualitative analysis of calcium-based microfillers. By using spatial distribution map, the inhomogeneity in concentration of calcium carbonate in polymer matrix was characterized. Moreover, by THz spectroscopy and imaging different calcium compounds were detected in binary mixtures. Finally, we demonstrated that the applied spectroscopic technique offers valuable results and can be, in combination with other spectroscopic and microscopic techniques, converted to a powerful rapid analytical tool.
[Display omitted]
•CaCO3 and CaO show characteristic spectral response in THz frequency range.•THz spectroscopy can distinguish different chemical treatments and granulations.•THz spectroscopy and imaging can identify calcium compounds in the limestone cycle.•Concentration inhomogeneity of microfiller in polymer is detected by THz imaging.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>26078145</pmid><doi>10.1016/j.talanta.2015.05.027</doi><tpages>9</tpages></addata></record> |
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| subjects | Calcium-based microfillers Granulation Surface treatment Terahertz pulsed imaging Terahertz time-domain spectroscopy |
| title | Qualitative and quantitative analysis of calcium-based microfillers using terahertz spectroscopy and imaging |
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