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Journal articles on the topic 'Cork characterization'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Pina, P., and M. A. Fortes. "Characterization of cells in cork." Journal of Physics D: Applied Physics 29, no. 9 (1996): 2507–14. http://dx.doi.org/10.1088/0022-3727/29/9/041.

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2

Gonzalez Adrados, J. R., G. Montero Gonzalez, and C. Ortega Muela. "Productive characterization of Quercus suber stands in Catalonia (Spain)." Forest Systems 2, no. 1 (1993): 55–69. http://dx.doi.org/10.5424/500.

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After a brief description of the main areas covered by Quercus suber L. in Catalonia, the parameters related with cork production are analyzed: surface density (kg of cork/m2 of stripped stem), cork quality and price, stripping rotation. Most important results are: 1) cork age scatter is much higher than expected; 2) surface density is homogeneous for a given stripping rotation and 3) cork quality is better in the pieces of the stands near the coast. Therefore, the necessity to develop new models of production, which include all parameters described, is exposed.

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3

Sousa, Vicelina B., Sofia Leal, Teresa Quilhó, and Helena Pereira. "Characterization of Cork Oak (Quercus Suber) Wood Anatomy." IAWA Journal 30, no. 2 (2009): 149–61. http://dx.doi.org/10.1163/22941932-90000210.

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The cork oak (Quercus suber L.) is important for ecological and socioeconomic sustainability and nature conservation in the Mediterranean area. Anatomical and structural features of cork oak wood were characterized at two sites in Portugal, including never-debarked trees and trees under cork production. Cork oak wood showed semi-ring porosity, solitary vessels with simple perforation plates, and large rays. Vessels were arranged in a diagonal to radial pattern, larger and more abundant in earlywood, and gradually decreasing in intermediate and latewood. In trees under cork production vessel di

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Veiga, I. M., A. C. Fernandes, B. S. Almeida, and A. J. Groszek. "Cork surface characterization by calorimetric studies." Journal of Materials Science Letters 12, no. 15 (1993): 1206–7. http://dx.doi.org/10.1007/bf00274500.

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PILAO, R., E. RAMALHO, and C. PINHO. "Overall characterization of cork dust explosion." Journal of Hazardous Materials 133, no. 1-3 (2006): 183–95. http://dx.doi.org/10.1016/j.jhazmat.2005.10.015.

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6

Marques, A. V., H. Pereira, D. Meier, and O. Faix. "Structural Characterization of Cork Lignin by Thioacidolysis and Permanganate Oxidation." Holzforschung 53, no. 2 (1999): 167–74. http://dx.doi.org/10.1515/hf.1999.028.

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Summary Quercus suber L. milled cork lignins obtained from extractive-free cork (MCL) and from saponified cork (MCLsap) were characterized by thioacidolysis and KMnO4 oxidation. These techniques and the previously used analytical pyrolysis revealed that cork contains a guaiacyl lignin (G lignin) with 94–96% guaiacyl-, ca. 3% syringyl-, and 2–3% of 4-hydroxyphenyl-propane units. The total yields of degradation products in thioacidolysis and KMnO4 oxidation experiments were lower in comparison to those of a spruce milled wood lignin (MWLspruce) suggesting a higher cross-linking in the G-lignin o

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Djemai Hocine, Hecini Mabrouk, and Adnane Labed. "On the characterization of sandwich panels for solar flat plate collectors’ applications: theoretical and experimental investigation." Journal of Applied Engineering Science & Technology 2, no. 1 (2016): 8. http://dx.doi.org/10.69717/jaest.v2.i1.24.

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This paper presents an experimental characterization on the mechanical behaviour offour different sandwich panels, for use in thermal insulation. These Panels are the results of thecombination of four composite materials; two materials as skins (Glass-Polyester and Plywood)and two as cores (Polystyrene and Cork agglomerate). From the comparison between themechanical behaviour of these four sandwich panels which was tested for three point-bendingtests; the sandwich with Glass-Polyester as skin and Cork agglomerate as core has the highestoverall stiffness compared to the other sandwich panels. F

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Ferreira, Joana P. A., Isabel Miranda, Jorge Gominho, and Helena Pereira. "Chemical characterization of cork and phloem from Douglas fir outer bark." Holzforschung 70, no. 5 (2016): 475–83. http://dx.doi.org/10.1515/hf-2015-0119.

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Abstract Cork and phloem from Pseudotsuga menziesii outer bark were separated, fractionated and the 40- to 60-mesh fractions chemically analyzed. Cork and phloem showed a different grinding behavior with the highest yields for cork and phloem, respectively, for the 40- to 60-mesh fraction (31.4%) and the <0.180-mm fraction (49.2%). Cork chemical composition was (% o.d. mass): ash 0.9%; extractives 29.2% (mostly polar, 23.5%); lignin 16.8%, and suberin 36.2%. Polysaccharides (16.9%) contained glucose (55.4% of total neutral carbohydrates), xylose (13.3%), mannose, arabinose, and galactose as

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9

Anjos, Ofélia, Helena Pereira, and Maria Emília Rosa. "Characterization of radial bending properties of cork." European Journal of Wood and Wood Products 69, no. 4 (2011): 557–63. http://dx.doi.org/10.1007/s00107-010-0516-9.

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10

Winck, J. C., L. Delgado, R. Murta, M. Lopez, and J. A. Marques. "Antigen characterization of major cork moulds in Suberosis (cork worker's pneumonitis) by immunoblotting." Allergy 59, no. 7 (2004): 739–45. http://dx.doi.org/10.1111/j.1398-9995.2004.00472.x.

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11

Policarpo, Hugo, M. M. Neves, and A. M. R. Ribeiro. "An Experimental Characterization of Cork Storage Modulus for Cork-Steel Applications in Vibration Attenuation." Materials Science Forum 636-637 (January 2010): 1199–205. http://dx.doi.org/10.4028/www.scientific.net/msf.636-637.1199.

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This study presents an experimental characterization of cork storage modulus used to model the vibration response of bars built using alternate layers of cork and steel. In the experimental setup, the specimen was suspended from a fixed support by two thin lines while a shaker was suspended from a mobile support by metallic chains. The shaker was connected to the bar specimen through a force transducer imposing a dynamical deformation that propagates through the specimen. An accelerometer in the opposite extremity of the bar measures the corresponding vibration response and the cork storage mo

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Díaz-Maroto, M. Consuelo, Marina Alarcón, Lucía Loarce, Ignacio J. Díaz-Maroto, and M. Soledad Pérez-Coello. "Headspace Solid-Phase Microextraction: A Useful and Quick Tool for the Traceability and Quality Assessment of Wine Cork Stoppers." Applied Sciences 13, no. 9 (2023): 5451. http://dx.doi.org/10.3390/app13095451.

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Natural cork remains a favored option for sealing high-quality wine bottles, despite its high cost for wineries. The cork industry faces the challenge of certifying the quality and traceability of these corks, with physical–chemical characterization being a valuable tool in establishing these parameters. While cork taint compounds must be absent or in low concentrations, the volatile fraction of cork contains numerous compounds that, even in small amounts, can impact the wine’s final aroma. Moreover, these volatile compounds are indicative of the geographical origin of the cork planks used to

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13

Mislata, Ana Maria, Miquel Puxeu, and Raul Ferrer-Gallego. "Aromatic Potential and Bioactivity of Cork Stoppers and Cork By-Products." Foods 9, no. 2 (2020): 133. http://dx.doi.org/10.3390/foods9020133.

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The characterization of natural waste sources is the first step on the reutilization process, circular economy, and global sustainability. In this work, the aromatic composition and bioactive compounds related to beneficial health effects from cork stoppers and cork by-products were assessed in order to add value to these wastes. Twenty-three aromatic compounds with industrial interest were quantified by gas chromatography coupled mass spectrometry GC–MS in both samples. Vanillins and volatile phenols were the most abundant aromatic families. Other aromatic compounds, such as aldehydes, lacton

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Vasconcelos, Graca, Andreia Martins, Sandra Cunha, Aires Camões, and Paulo B. Lourenço. "Mechanical Behavior of Gypsum and Cork Based Composite Material." Materials Science Forum 730-732 (November 2012): 361–66. http://dx.doi.org/10.4028/www.scientific.net/msf.730-732.361.

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The main aim of this work is the mechanical characterization of a composite material resulting from the combination of three by-products coming from industry, namely, flue gas desulfurization (FGD) gypsum, granulated cork and textile fibers from tire recycling. The material is considered as a green material as the raw material are considered by-products and it is intended to be used as a building material for non-structural purposes in civil engineering construction. The mechanical characterization includes uniaxial compressive tests and bending tests for characterization of the fracture behav

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Gonçalves, Ricardo, Sergi Rima, Roberto Magueta, et al. "RFID-Based Wireless Passive Sensors Utilizing Cork Materials." IEEE Sensors 15, no. 12 (2015): 7242–51. https://doi.org/10.5281/zenodo.45281.

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This paper presents the design of low-cost, conformal UHF antennas and RFID tags on two types of cork substrates: natural cork and agglomerate cork. Such RFID tags find an application in wine bottle and barrel identification, and in addition, they are suitable for numerous antenna-based sensing applications. This paper includes the high-frequency characterization of the selected cork substrates considering the anisotropic behavior of such materials. In addition, the variation of their permittivity values as a function of the humidity is also verified. As a proof-of-concept demonstration, three

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16

Rios, Polliana D'Angelo, Fábio Akira Mori, and Ana Carolina Maioli Campos Barbosa. "Morphological characterization of Kielmeyera coriacea Mart. Cork from brazilian Cerrado." CERNE 17, no. 3 (2011): 387–92. http://dx.doi.org/10.1590/s0104-77602011000300013.

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Kielmeyera coriacea Mart., known as "pau-santo", is mentioned in the literature as the main tree species which produces cork of the Brazilian Cerrado. The purpose of this study was to describe the morphological aspect of Kielmeyera coriacea ("pau-santo") cork cells through its microscopic structure and to compare it with the cellular morphology of Quercus suber (cork oak), which is the main cork producing species worldwide. The bark from three trees of the species Kielmeyera coriacea Mart. was collected randomly at points 1.30 m above the ground, with four repetitions per sample. Samples came

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17

Monteiro, Sandra, Nuno Ferreira, Diana Paiva, et al. "Formulation and Characterization of a Composite Coating Formulation Based on Acrylic Foam and Cork Granules." Coatings 12, no. 6 (2022): 732. http://dx.doi.org/10.3390/coatings12060732.

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Cork, the bark of Quercus suber L., in addition to presenting several notable physical-mechanical properties, possesses a distinctive look and feel that make it attractive for interior surfaces, such as in furniture, wall paneling, or flooring. This work envisaged the development of a coating based on cork granules, a subproduct from the wine stopper industry, capable of creating a smooth surface similar to natural cork. In order to avoid the high rugosity that characterizes surfaces coated with paints that incorporate cork granules, a new solution was developed, based on a foamed acrylic bind

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18

Lopes, Susana T., Daniel Sobral, Bruno Costa, et al. "Phellem versus xylem: genome-wide transcriptomic analysis reveals novel regulators of cork formation in cork oak." Tree Physiology 40, no. 2 (2019): 129–41. http://dx.doi.org/10.1093/treephys/tpz118.

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Abstract Cork cambium (or phellogen) is a secondary meristem responsible for the formation of phelloderm and phellem/cork, which together compose the periderm. In Quercus suber L., the phellogen is active throughout the entire life of the tree, producing a continuous and renewable outer bark of cork. To identify specific candidate genes associated with cork cambium activity and phellem differentiation, we performed a comparative transcriptomic study of Q. suber secondary growth tissues (xylem and phellogen/phellem) using RNA-seq. The present work provides a high-resolution map of all the trans

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19

Er-rradi, Hafida, Mohamed Oualid Mghazli, Abdelilah Jilbab, Chakib Bojji, and Rachida Idchabani. "Thermal properties and Life Cycle Assessment of new eco-sandwich panel for building thermal insulation." Journal of Building Physics 47, no. 3 (2023): 332–52. http://dx.doi.org/10.1177/17442591231208360.

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Lightweight eco-materials are in high demand in many sectors, such as aerospace, industry, and building due to their several characteristics. The present paper is an experimental investigation of the thermal characteristics of novel sandwich panels made with local and ecological materials namely agglomerated cork for the core and bio-composite materials for the skin. Three configurations (symmetric, asymmetric, and two layers) were studied with different cork core thicknesses. Density values have been measured and compared. Thermal characterization consists of determining thermal conductivity

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20

Lopes, Helena, Susana P. Silva, João Paulo Carvalho, and José Machado. "The Influence of Cork and Manufacturing Parameters on the Properties of Cork–Rubber Composites for Vibration Isolation Applications." Sustainability 13, no. 20 (2021): 11240. http://dx.doi.org/10.3390/su132011240.

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The addition of cork to a natural rubber compound and the vulcanization parameters were studied in terms of their influence on the properties of cork–rubber materials. The characterization of different compounds was carried out and included in the determination of mechanical properties related to the application of cork–rubber composites as vibration isolation pads, such as static and dynamic behavior under compressive loading. Statistical methods, such as ANOVA and regression analysis, were used in this study. The results showed that the introduction of cork as an additional filler in the stu

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21

Sen, Umut, Marta Martins, Everton Santos, Maria Amelia Lemos, Francisco Lemos, and Helena Pereira. "Slow Pyrolysis of Quercus cerris Cork: Characterization of Biochars and Pyrolysis Volatiles." Environments 10, no. 1 (2022): 4. http://dx.doi.org/10.3390/environments10010004.

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Waste cork granules of Quercus cerris bark were subjected to isothermal and non-isothermal slow pyrolysis. The heat of the reaction, as well as the yields and properties of biochar, bio-oil, and pyrolysis gas were investigated by thermogravimetric analysis, FT-IR, CHN elemental analysis, higher heating value (HHV) determinations, scanning electron microscopy (SEM), and gas chromatography (GC). The slow pyrolysis was carried out in a semi-batch reactor using an isothermal or a non-isothermal dynamic approach. The results demonstrated that isothermal or non-isothermal slow pyrolysis of cork is a

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22

Barrigón Morillas, Juan Miguel, David Montes González, Rosendo Vílchez-Gómez, et al. "Virgin Natural Cork Characterization as a Sustainable Material for Use in Acoustic Solutions." Sustainability 13, no. 9 (2021): 4976. http://dx.doi.org/10.3390/su13094976.

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A characterization of the sound absorption of a sustainable material with scarce current use such as natural virgin cork is presented in this paper in order to explore further possible applications in the design of acoustic solutions. Different samples of virgin cork not bonded and various decorative panel formats were tested under random sound incidence conditions in a standardized reverberation chamber. The samples in which the outer bark of the cork was facing upwards showed a better behavior as an acoustic absorber, with sound absorption coefficient values generally greater than 0.6 for fr

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23

Costa, Augusta, and Helena Pereira. "Quality characterization of wine cork stoppers using computer vision." OENO One 39, no. 4 (2005): 209. http://dx.doi.org/10.20870/oeno-one.2005.39.4.887.

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<p style="text-align: justify;">Image analysis techniques were applied on the surface of wine cork stoppers (tops and lateral cylindrical surface) of seven commercial quality classes to characterize their porosity. An increasing trend from the best to the worst quality classes was found for features related to area of pores (i.e. maximum length and width or pore maximum area) and concentration variables (i.e. porosity coefficient or number of pores per 100 cm2). Shape variables were rather constant and mean values showed no differences between quality classes. Variation of the pores char

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24

Conde, Elvira, Estrella Cadahía, Maria Conceptión Garcia-Vallejo, and José Ramón Gonźalez-Adrados. "Chemical Characterization of Reproduction Cork from Spanish Quercus Suber." Journal of Wood Chemistry and Technology 18, no. 4 (1998): 447–69. http://dx.doi.org/10.1080/02773819809349592.

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25

Barbosa, A. Q., L. F. M. da Silva, J. Abenojar, J. C. del Real, R. M. M. Paiva, and A. Öchsner. "Kinetic analysis and characterization of an epoxy/cork adhesive." Thermochimica Acta 604 (March 2015): 52–60. http://dx.doi.org/10.1016/j.tca.2015.01.025.

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26

Cherki, Abou-bakr, Benjamin Remy, Abdelhamid Khabbazi, Yves Jannot, and Dominique Baillis. "Experimental thermal properties characterization of insulating cork–gypsum composite." Construction and Building Materials 54 (March 2014): 202–9. http://dx.doi.org/10.1016/j.conbuildmat.2013.12.076.

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27

Abdallah, F. Ben, R. Ben Cheikh, M. Baklouti, Z. Denchev, and A. M. Cunha. "Characterization of Composite Materials Based on PP-Cork Blends." Journal of Reinforced Plastics and Composites 25, no. 14 (2006): 1499–506. http://dx.doi.org/10.1177/0731684406066745.

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28

Dal Poggetto, Giovanni, Roberta Marchetti, Isabella Lancellotti, Cristina Leonelli, and Luisa Barbieri. "Waste Cork in Metakaolin–Geopolymer Matrix: Physico-Mechanical Characterization." Applied Sciences 13, no. 3 (2023): 1804. http://dx.doi.org/10.3390/app13031804.

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Cork powdery waste (CW) from agglomerated cork caps manufacturing is commonly transported to waste-to-energy plants, although it could be locally exploited for lightweight building materials. The transformation of CW into a geopolymer formulation to obtain a novel composite formulation suitable for insulating panels is presented in this contribution. The geopolymer mix was based on metakaolin added to NaOH and Na silicate solutions, to which 2.4, 4.8 and 9.1 wt% (calculated upon dry metakaolin) of CW in the form of as-received powdery waste were added. No pre-treatments were performed on CW an

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Cordeiro, Nereida, Carlos Pascoal Neto, Alessandro Gandini, and Mohamed Naceur Belgacem. "Characterization of the Cork Surface by Inverse Gas Chromatography." Journal of Colloid and Interface Science 174, no. 1 (1995): 246–49. http://dx.doi.org/10.1006/jcis.1995.1387.

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Moreira, A., J. António, and A. Tadeu. "Lightweight screed containing cork granules: Mechanical and hygrothermal characterization." Cement and Concrete Composites 49 (May 2014): 1–8. http://dx.doi.org/10.1016/j.cemconcomp.2014.01.012.

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31

Barrigón, Morillas Juan Miguel, González David Montes, Rosendo Vílchez-Gomez, et al. "Virgin Natural Cork Characterization as a Sustainable Material for Use in Acoustic Solutions." Sustainability 13 (April 29, 2021): 4976. https://doi.org/10.3390/su13094976.

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A characterization of the sound absorption of a sustainable material with scarce current use such as natural virgin cork is presented in this paper in order to explore further possible applications in the design of acoustic solutions. Different samples of virgin cork not bonded and various decorative panel formats were tested under random sound incidence conditions in a standardized reverberation chamber. The samples in which the outer bark of the cork was facing upwards showed a better behavior as an acoustic absorber, with sound absorption coefficient values generall

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32

González-Adrados, José Ramón, Florentino González-Hernández, José Luis García de Ceca, María José Cáceres-Esteban, and María Concepción García-Vallejo. "Cork-wine interaction studies: liquid absorption and non-volatile compound migration." OENO One 42, no. 3 (2008): 163. http://dx.doi.org/10.20870/oeno-one.2008.42.3.815.

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<p style="text-align: justify;"><strong>Aims</strong>: To provide a better knowledge of cork-wine interaction, focussing on absorption of liquid by the cork stopper and overall migration of non-volatile compounds from the cork-stopper to liquid.</p><p style="text-align: justify;"><strong>Methods and results</strong>: Natural cork stoppers and 1+1 technical cork stoppers (agglomerate cork body ended with natural cork washers), with and without surface treatment, were used to close bottles filled with 12 % v/v ethanolic solution and removed after 3, 6, 1

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Ferreira, Miguel F. S., Diana Guimarães, Rafaela Oliveira, et al. "Characterization of Functional Coatings on Cork Stoppers with Laser-Induced Breakdown Spectroscopy Imaging." Sensors 23, no. 22 (2023): 9133. http://dx.doi.org/10.3390/s23229133.

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Evaluating the efficiency of surface treatments is a problem of paramount importance for the cork stopper industry. Generically, these treatments create coatings that aim to enhance the impermeability and lubrification of cork stoppers. Yet, current methods of surface analysis are typically time-consuming, destructive, have poor representativity or rely on indirect approaches. In this work, the use of a laser-induced breakdown spectroscopy (LIBS) imaging solution is explored for evaluating the presence of coating along the cylindrical surface and in depth. To test it, several cork stoppers wit

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34

Maaloufa, Youssef, Soumia Mounir, Khabbazi Abdelhamid, and Khalid El Harrouni. "Influence of the Kind and the Shape of Insulating Materials on the Mechanical Properties of the Composites Plaster- Granular Cork and Plaster- Fiber Alpha." Key Engineering Materials 886 (May 2021): 241–55. http://dx.doi.org/10.4028/www.scientific.net/kem.886.241.

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The objective of our work is to study the influence of nature and the shape of the insulating materials on the mechanical performance of composites based on plaster. The study aims to increase the thermal performance of the building envelope and the same time maintains sufficient mechanical properties of the composites studied. Plaster was combined with two additives (alpha fiber and granular cork). A physical and mechanical characterization of the composites plaster-fiber alpha and plaster-cork was carried on. Authors obtained an important gain in term of lightness 27 % concerning the composi

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Najafi, M., A. Darvizeh, and R. Ansari. "Characterization of moisture effects on novel agglomerated cork core sandwich composites with fiber metal laminate facesheets." Journal of Sandwich Structures & Materials 22, no. 6 (2018): 1709–42. http://dx.doi.org/10.1177/1099636218789613.

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A sandwich material would be an attractive structural candidate for marine applications as long as it can retain its environmental durability. However, the susceptibility to moisture attacks is still the major drawback of sandwich materials in comparison to the single skin laminates. Hence, this paper aims to study the effect of moisture absorption on the mechanical behavior of a newly developed sandwich structure, which is intended for use as a water-resistant constructive system in marine industries. For this purpose, an eco-sandwich material consisting of fiber metal laminate facesheets bon

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Ortega-Fernández, Catalina, José R. González-Adrados, María C. García-Vallejo, Rosa Calvo-Haro, and María J. Cáceres-Esteban. "Characterization of Surface Treatments of Cork Stoppers by FTIR-ATR." Journal of Agricultural and Food Chemistry 54, no. 14 (2006): 4932–36. http://dx.doi.org/10.1021/jf0529823.

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37

Hariz, Samah, Fouad Ghomari, and Brahim Touil. "Characterization of a bio-based concrete using virgin cork aggregate." Journal of Building Materials and Structures 9, no. 2 (2022): 141–49. http://dx.doi.org/10.34118/jbms.v9i2.2780.

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The field of construction, like other field besides, faces new challenges, particularly that relating to reduction of the environmental impact and the improvement of the thermal and energy performances. To this end, the work presented in this article concerns bio-based concrete which complies with the new regulatory provisions inherent in cementitious materials. This is a concrete where 25% of the mineral volume is replaced by the same plant volume (male cork) in the dry state and immersed for 2 hours in water while adding 10% of filler. A first experimental campaign was carried out in the lab

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38

Kocáb, Jiří, Radek Kottner, and Attila Kossa. "Characterization of a cork-rubber composite using advanced material models." Materials Today: Proceedings 12 (2019): 340–45. http://dx.doi.org/10.1016/j.matpr.2019.03.133.

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39

Nóvoa, P. J. R. O., M. C. S. Ribeiro, A. J. M. Ferreira, and A. T. Marques. "Mechanical characterization of lightweight polymer mortar modified with cork granulates." Composites Science and Technology 64, no. 13-14 (2004): 2197–205. http://dx.doi.org/10.1016/j.compscitech.2004.03.006.

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40

Khosla, Gayatri, Vikram Sharma, and Vikesh K. Shukla. "Isolation, Characterization and Antioxidant Activity of Plumbago indica L. Extract." INTERNATIONAL JOURNAL OF DRUG DELIVERY TECHNOLOGY 12, no. 03 (2022): 936–46. http://dx.doi.org/10.25258/ijddt.12.3.02.

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The studies aimed to evaluate the preliminary parameter and Antioxidant potential of Plumbago indica. Standardization using various analytical techniques was also performed. P. indica was collected and studied for preliminary analysis and antioxidant activity and analyzed using the standard protocol using different analytical techniques. DPPH free radical scavenging activity was used to assess the antioxidant potential. The microscopy indicated the presence of periderm, cork and cortex, sclereids, cork, secondary xylem and medullary rays bordered pitted vessel, calcium oxalate crystal, starch

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Guimarães, Renato, Alexandra Guedes, and Bruno R. V. Valentim. "Characterization, Concentration of Biochar and Titanspheres and Heavy Metals Assessment of Quercus Suber Cork Powder Fly Ash Fractions." Journal of Solid Waste Technology and Management 47, no. 4 (2021): 605–18. http://dx.doi.org/10.5276/jswtm/2021.605.

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Cork powder is categorized in the group of the biodegradable fraction of products and waste. In Portugal, the cork powder production ranges between 32 000 and 37 000 tons/year and is used as fuel, which generates ash. For this ash characterization and possible recycling, sieving (dry and wet) and pre-treatments (ultrasounds and polycarboxylate) were tested in order to concentrate biochar, titanspheres and assess the fractions more suitable for fertilizer material. The samples were characterized via a combination of techniques: SEM/EDS, RLM, XRF, MRS and ICP-MS. For size-fractionation of cork p

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Rego, Liliana, Sandra Mota, Ana Torres, et al. "Quercus suber Bark as a Sustainable Source of Value-Added Compounds: Experimental Studies with Cork By-Products." Forests 14, no. 3 (2023): 543. http://dx.doi.org/10.3390/f14030543.

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Quercus suber L. bark (cork) is a sustainable material due to its ability to regenerate. The aim of this work was to explore cork powders, by-products of the cork industry, as sustainable sources of value-added compounds. Two types of cork powder were studied: coarse (P0) and fine (P1). A broad physicochemical characterization was carried out, regarding particle size, color, moisture content, hygroscopicity, pH, heavy metal content, NIR spectra, and volatile compounds. DPPH scavenging activity and total phenolic content were also evaluated for an ethanolic P1 extract. For both powders, Hg, As,

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43

Maha Abid Al Hussain Hameed, Maha Abid Al Hussain Hameed, and Maida Abdulaa Adnan Maida Abdulaa Adnan. "Synthesis, Characterization, Antimicrobial Activity and Theoretical Studies of New Polymeric Schiff-base." Journal of the chemical society of pakistan 41, no. 4 (2019): 591. http://dx.doi.org/10.52568/000774/jcsp/41.04.2019.

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A novel Schiff-base compound was synthesized by condensation of 4-hydroxybenzaldehyde and 4-aminoazobenzene. The prepared Schiff-base was converted to a polymer by reaction with formaldehyde and resorcinol. The two types of the prepared compounds were characterized with spectral techniques (FT-IR and 1H-NMR). The biological activity as antibacterial and antifungal was tested using the cork well diffusion method against some standard microorganisms, which indicate that these compounds showed good antimicrobial activity. HyperChem-8 program has been used to determine total energy, LUMO-HOMO, bon

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44

Santos, Ana, Marisa Bernardo, Carla Vespeira, Paula Cantinho, and Miguel Minhalma. "Cork industry wastewater characterization: assessment of the biodegradability, reuse and of the relationship between BOD, COD and tannins with TOC." Journal of Water Reuse and Desalination 2, no. 1 (2012): 33–39. http://dx.doi.org/10.2166/wrd.2012.047.

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Cork processing involves a boiling step to make the cork softer, which consumes a high volume of water and generates a wastewater with a high organic content, rich in tannins. An assessment of the final wastewater characteristics and of the boiling water composition along the boiling process was performed. The parameters studied were pH, color, total organic carbon (TOC), chemical and biochemical oxygen demands (COD, BOD5, BOD20), total suspended solids (TSS), total phenols and tannins (TP, TT). It was observed that the water solutes extraction power is significantly reduced for higher quantit

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Sarasini, F., J. Tirillò, L. Lampani, et al. "Static and dynamic characterization of agglomerated cork and related sandwich structures." Composite Structures 212 (March 2019): 439–51. http://dx.doi.org/10.1016/j.compstruct.2019.01.054.

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Moreira, R. A. S., F. J. Q. de Melo, and J. F. Dias Rodrigues. "Static and dynamic characterization of composition cork for sandwich beam cores." Journal of Materials Science 45, no. 12 (2010): 3350–66. http://dx.doi.org/10.1007/s10853-010-4356-0.

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Lakreb, Nadia, Nusret As, Volkan Gorgun, Umut Sen, M. Glória Gomes, and Helena Pereira. "Production and characterization of particleboards from cork-rich Quercus cerris bark." European Journal of Wood and Wood Products 76, no. 3 (2018): 989–97. http://dx.doi.org/10.1007/s00107-017-1284-6.

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de Moura, M. F. S. F., R. Fernandes, F. G. A. Silva, and N. Dourado. "Mode II fracture characterization of a hybrid cork/carbon-epoxy laminate." Composites Part B: Engineering 76 (July 2015): 44–51. http://dx.doi.org/10.1016/j.compositesb.2015.02.010.

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Moreira, Telma, Maria Margarida Mateus, Luís C. Duarte, and Maria Joana Neiva Correia. "Characterization of Liquefaction Products from Lignocellulosic and Aquatic Biomass." Biomass 5, no. 2 (2025): 36. https://doi.org/10.3390/biomass5020036.

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Biomass liquefaction is a promising thermochemical route to convert lignocellulosic residues into bio-oil. This study evaluates the liquefaction behavior of 13 biomasses with varying particle sizes (0.3–2.0 mm) and moisture contents (5–11%) under mild solvolysis conditions. High-performance liquid chromatography (HPLC-RID) and thermogravimetric analysis (TGA) were used to characterize bio-oil composition and biomass properties, respectively. Maximum conversion (72%) was achieved for Miscanthus, while Ulva lactuca reached only 23% due to its low carbohydrate content. Hemicellulose-rich feedstoc

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Dall'Osto, M., J. Ovadnevaite, D. Ceburnis, et al. "Characterization of urban aerosol in Cork City (Ireland) using aerosol mass spectrometry." Atmospheric Chemistry and Physics Discussions 12, no. 11 (2012): 29657–704. http://dx.doi.org/10.5194/acpd-12-29657-2012.

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Abstract. Ambient wintertime background urban aerosol in Cork City, Ireland, was characterized using aerosol mass spectrometry. During the three-week measurement study in 2009, 93% of the 1 200 000 single particles characterized by an Aerosol Time-Of-Flight Mass Spectrometer (TSI ATOFMS) were classified into five organic-rich particle types, internally-mixed to different proportions with Elemental Carbon (EC), sulphate and nitrate while the remaining 7% was predominantly inorganic in nature. Non-refractory PM1 aerosol was also characterized using a High Resolution Time-Of-Flight Aerodyne Aeros

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