2017
DOI: 10.1515/kom-2017-0014
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Copper and copper patina

Abstract: konektory), ale použitie v iných oblastiach je možné (napr. dekorácie, sochy). Na nechránenej medi sa veľmi rýchlo objavuje čierna vrstvička kupritu Cu 2 O [1]. V priebehu niekoľkých rokov je tento povlak nahradený charakteristickou zelenomodrou vrstvičkou [2, 3]. Toto sfarbenie na bronze alebo iných kovoch je označované ako "patina" [1]. Medené patiny sú priestorovo heterogénne vrstvy, ktoré obsahujú prázdne priestory a dtiny. Pórovitosť môže byť ľahko dokázaná schopnosťou patiny absorbovať veľké množstvo vod… Show more

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“…If the pollutant concentration is not sufficient, the patina based on oxides remains black [5,12,[19][20][21]. Patina formed under inner terran industrial atmosphere of Central Europe is based solely on brochantite [22][23][24]. A procedure for brochantite pigment preparation was proposed, but without necessary parameters of the procedure [19,25].…”
Section: Introductionmentioning
confidence: 99%
“…If the pollutant concentration is not sufficient, the patina based on oxides remains black [5,12,[19][20][21]. Patina formed under inner terran industrial atmosphere of Central Europe is based solely on brochantite [22][23][24]. A procedure for brochantite pigment preparation was proposed, but without necessary parameters of the procedure [19,25].…”
Section: Introductionmentioning
confidence: 99%