Oxid hlinit\u00fd (Alumina) tvor\u00ed z\u00e1kladn\u00fd materi\u00e1l mnoh\u00fdch priemyseln\u00fdch keramick\u00fdch v\u00fdrobkov. M\u00e1 tvrd\u00e9, krehk\u00e9 vlastnosti s vysok\u00fdm bodom topenia, n\u00edzkou elektrickou vodivos\u0165ou a v\u00fdnimo\u010dnou tepelnou stabilitou.<\/p>\n
Korund sa sklad\u00e1 predov\u0161etk\u00fdm zo stabiln\u00fdch romboedrick\u00fdch kry\u0161t\u00e1lov\u00fdch foriem oxidu hlinit\u00e9ho (a-Al2O3), ktor\u00fd m\u00e1 stabiln\u00fa kry\u0161talick\u00fa formu naz\u00fdvan\u00fa korund-hlin\u00edk, so stopov\u00fdm mno\u017estvom chr\u00f3mu, ktor\u00fd mu dod\u00e1va charakteristick\u00fd \u010derven\u00fd odtie\u0148, zatia\u013e \u010do \u017eelezo a tit\u00e1n prispievaj\u00fa k modr\u00e9mu zaf\u00edrov\u00e9mu odtie\u0148u modr\u00fdch zaf\u00edrov drahokamovej kvality, ako s\u00fa rub\u00edny.<\/p>\n
Oxid hlinit\u00fd je neoddelite\u013en\u00fdm materi\u00e1lom pri v\u00fdrobe kovov a pou\u017e\u00edva sa na v\u00fdrobu kovov\u00fdch zliatin hlin\u00edka. Vzh\u013eadom na jeho vysok\u00fd bod tavenia a vynikaj\u00face tepelne odoln\u00e9 vlastnosti sa \u010dasto pou\u017e\u00edva v peciach, keramike a v\u00fdmurovk\u00e1ch pec\u00ed. Oxid hlinit\u00fd hr\u00e1 d\u00f4le\u017eit\u00fa \u00falohu aj pri v\u00fdrobe civiln\u00fdch a vojensk\u00fdch pancierov v\u010faka svojej pevnosti, \u013eahk\u00fdm vlastnostiam a balistick\u00fdm vlastnostiam.<\/p>\n
Oxid hlinit\u00fd (oxid hlinit\u00fd) sa vyr\u00e1ba rafin\u00e1ciou bauxitovej rudy v rafin\u00e9rii oxidu hlinit\u00e9ho. Tento proces sa zvy\u010dajne uskuto\u010d\u0148uje vo ve\u013ek\u00fdch obd\u013a\u017enikov\u00fdch budov\u00e1ch dlh\u00fdch pribli\u017ene jeden kilometer, ktor\u00e9 obsahuj\u00fa stovky reduk\u010dn\u00fdch buniek napojen\u00fdch na elektrick\u00fa energiu prostredn\u00edctvom ve\u013ek\u00fdch k\u00e1blov; ke\u010f sa tieto bunky spoja, vznikne korund alebo oxid hlinit\u00fd ako kone\u010dn\u00fd produkt.<\/p>\n
Korund je najroz\u0161\u00edrenej\u0161ou formou oxidu hlinit\u00e9ho a z h\u013eadiska tvrdosti je druh\u00fd po diamante. K drahokamov\u00fdm form\u00e1m korundu patria rub\u00edny a zaf\u00edry, ktor\u00e9 za svoje s\u00fdte farby v\u010fa\u010dia stopov\u00fdm pr\u00edmesiam, ako s\u00fa at\u00f3my chr\u00f3mu, \u017eeleza a tit\u00e1nu. Korund sl\u00fa\u017ei ako hlavn\u00e1 zlo\u017eka rezn\u00fdch n\u00e1strojov, ako aj mnoh\u00fdch br\u00fasnych materi\u00e1lov, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa na jeho povrch; existuj\u00fa aj \u010fal\u0161ie sp\u00f4soby pou\u017eitia korundu.<\/p>\n
Rafin\u00e9rie pou\u017e\u00edvaj\u00fa oxid hlinit\u00fd ako z\u00e1klad pre priemyseln\u00e9 \u017eiaruvzdorn\u00e9 materi\u00e1ly pou\u017e\u00edvan\u00e9 v zlo\u017eit\u00fdch termochemick\u00fdch a termomechanick\u00fdch procesoch, ako je autotermick\u00fd reforming na premenu uh\u013eovod\u00edkov na synt\u00e9zny plyn (synt\u00e9zne palivo). Keramika s vysokou \u010distotou oxidu hlinit\u00e9ho poskytuje vynikaj\u00facu chemick\u00fa inertnos\u0165 potrebn\u00fa na \u00faspe\u0161n\u00e9 vykon\u00e1vanie tak\u00fdchto aplik\u00e1ci\u00ed.<\/p>\n
Oxid hlinit\u00fd sa \u010dasto pou\u017e\u00edva ako katalyz\u00e1tor v rafin\u00e9ri\u00e1ch na u\u013eah\u010denie reakci\u00ed, ktor\u00e9 tam prebiehaj\u00fa, vr\u00e1tane reakci\u00ed s\u00favisiacich s v\u00fdrobou element\u00e1rnej s\u00edry Clausov\u00fdm procesom alebo s premenou alkoholov na alk\u00e9ny.<\/p>\n
Hlin\u00edk sa \u010dasto prid\u00e1va do cementu a bet\u00f3nov\u00fdch v\u00fdrobkov, aby sa zv\u00fd\u0161ila ich pevnos\u0165 v \u0165ahu, trvanlivos\u0165 a odolnos\u0165 proti kor\u00f3zii, ako aj ich odolnos\u0165 vo\u010di environment\u00e1lnym faktorom. Hlin\u00edk sa m\u00f4\u017ee prid\u00e1va\u0165 aj do lepidiel a tmelov s cie\u013eom zv\u00fd\u0161i\u0165 pevnos\u0165 spojov, pru\u017enos\u0165 a odolnos\u0165 vo\u010di chemik\u00e1li\u00e1m; okrem toho sa \u0161iroko pou\u017e\u00edva pri v\u00fdrobe zubn\u00fdch implant\u00e1tov a protetick\u00fdch pom\u00f4cok.<\/p>\n
Oxid hlinit\u00fd (zn\u00e1my aj pod chemick\u00fdm vzorcom Al2O3) je univerz\u00e1lna zl\u00fa\u010denina s mnoh\u00fdmi aplik\u00e1ciami. Sl\u00fa\u017ei ako k\u013e\u00fa\u010dov\u00e1 surovina pri v\u00fdrobe kovov\u00e9ho hlin\u00edka, ako aj priemyselnej keramiky; okrem toho sa m\u00f4\u017ee vyskytova\u0165 aj v pr\u00edrode ako drah\u00e9 kamene, napr\u00edklad rub\u00edny a zaf\u00edry.<\/p>\n
Korund je oxid hlinit\u00fd so zlo\u017eitou hexagon\u00e1lnou \u0161trukt\u00farou s tesn\u00fdm usporiadan\u00edm a s ve\u013ek\u00fdm mno\u017estvom i\u00f3nov kysl\u00edka, z ktor\u00fdch dve tretiny vyp\u013a\u0148aj\u00fa dostupn\u00e9 oktaedrick\u00e9 medzery, zatia\u013e \u010do zvy\u0161n\u00fd priestor vyp\u013a\u0148aj\u00fa i\u00f3ny Al3+, ktor\u00e9 sa via\u017eu s in\u00fdmi at\u00f3mami a vytv\u00e1raj\u00fa neutr\u00e1lnu \u0161trukt\u00faru bez kati\u00f3nov vyrovn\u00e1vaj\u00facich n\u00e1boj potrebn\u00fd na jej stabiliz\u00e1ciu.<\/p>\n
Pr\u00edrodn\u00fd korund sa nach\u00e1dza vo vyvret\u00fdch, metamorfovan\u00fdch a sediment\u00e1rnych hornin\u00e1ch. Jeho prim\u00e1rnym zdrojom je bauxit, z ktor\u00e9ho sa z\u00edskava vysoko \u010dist\u00fd oxid hlinit\u00fd v pr\u00e1\u0161ku (>99,9% Al2O3); korund sa z tohto v\u00fdchodiskov\u00e9ho materi\u00e1lu m\u00f4\u017ee extrahova\u0165 Bayerov\u00fdm procesom; hlavn\u00e9 lo\u017eisk\u00e1 sa nach\u00e1dzaj\u00fa v Austr\u00e1lii, Braz\u00edlii Indii Mjanmarsku (Barme).<\/p>\n
\u010cist\u00fd korund sa tie\u017e \u0161iroko pou\u017e\u00edva ako abraz\u00edvny materi\u00e1l v priemyselnom prostred\u00ed aj mimo neho, najm\u00e4 ako s\u00fa\u010das\u0165 v\u00fdrobn\u00fdch procesov pre vysoko \u010dist\u00fd oxid hlinit\u00fd. V\u010faka svojmu tvrd\u00e9mu a odoln\u00e9mu povrchu \u010dist\u00fd korund \u010dasto obsahuje mal\u00e9 mno\u017estvo uhl\u00edka, oxidu kremi\u010dit\u00e9ho a oxidu mangani\u010dit\u00e9ho na zv\u00fd\u0161enie odolnosti proti opotrebovaniu.<\/p>\n
Korund sa m\u00f4\u017ee pou\u017ei\u0165 aj ako katalyz\u00e1tor. Absorbuje vodu a in\u00e9 pol\u00e1rne molekuly, \u010do umo\u017e\u0148uje jeho pou\u017eitie v adsorp\u010dnej chromatografii; okrem toho jeho katalytick\u00e9 vlastnosti umo\u017e\u0148uj\u00fa odstra\u0148ova\u0165 s\u00edru zo s\u00edrovod\u00edka, dehydratova\u0165 alkoholy a izomerizova\u0165 olef\u00edny.<\/p>\n
Kry\u0161t\u00e1lov\u00e9 \u0161trukt\u00fary korundu sa m\u00f4\u017eu zna\u010dne l\u00ed\u0161i\u0165 v d\u00f4sledku ne\u010dist\u00f4t pr\u00edtomn\u00fdch v jeho zlo\u017een\u00ed, vr\u00e1tane substituentov prvkov, ktor\u00e9 prispievaj\u00fa k r\u00f4znym farb\u00e1m. Rub\u00edny a zaf\u00edry v\u010fa\u010dia za svoje farby stopov\u00fdm mno\u017estv\u00e1m i\u00f3nov Fe2+ a chr\u00f3mu, ktor\u00e9 sa v nich nach\u00e1dzaj\u00fa.<\/p>\n
Korund je mimoriadne pru\u017en\u00fd materi\u00e1l, ktor\u00fd sa d\u00e1 vyrobi\u0165 do r\u00f4znych tvarov a ve\u013ekost\u00ed v z\u00e1vislosti od jeho pou\u017eitia. Obr\u00e1ba sa na abraz\u00edvne v\u00fdrobky, ako aj na aplik\u00e1cie vy\u017eaduj\u00face vysok\u00fa teplotn\u00fa odolnos\u0165 a dobr\u00e9 elektroizola\u010dn\u00e9 vlastnosti. Prostredn\u00edctvom techn\u00edk sp\u00e1jania a tvarovania sa z neho d\u00e1 vyrobi\u0165 aj jemnozrnn\u00fd materi\u00e1l z oxidu hlinit\u00e9ho s vynikaj\u00facimi vlastnos\u0165ami odolnosti proti opotrebovaniu, ktor\u00fd m\u00e1 vynikaj\u00face vlastnosti odolnosti proti opotrebovaniu.<\/p>\n
Oxid hlinit\u00fd mo\u017eno n\u00e1js\u0165 v mnoh\u00fdch aplik\u00e1ci\u00e1ch ako spoma\u013eova\u010d horenia a \u010dasto sa pou\u017e\u00edva aj ako izol\u00e1tor na dosk\u00e1ch s plo\u0161n\u00fdmi spojmi (PCB) pou\u017e\u00edvan\u00fdch v elektronick\u00fdch zariadeniach. Schopnos\u0165 oxidu hlinit\u00e9ho blokova\u0165 toky elektrick\u00e9ho pr\u00fadu medzi komponentmi zabezpe\u010duje bezpe\u010dnos\u0165 a izol\u00e1ciu elektrick\u00fdch syst\u00e9mov, pri\u010dom jeho izola\u010dn\u00e9 vlastnosti zni\u017euj\u00fa riziko skratu a po\u0161kodenia v\u00fdrobkov.<\/p>\n
Nehor\u013eavos\u0165 vypl\u00fdva z jej schopnosti pomaly absorbova\u0165 a uvo\u013e\u0148ova\u0165 teplo, \u010d\u00edm pom\u00e1ha v\u00fdrobkom vyhn\u00fa\u0165 sa vznieteniu. Jeho pou\u017e\u00edvanie ako n\u00e1hrady organick\u00fdch a halog\u00e9novan\u00fdch spoma\u013eova\u010dov horenia sa postupne ukon\u010duje z d\u00f4vodu ich negat\u00edvneho vplyvu na \u017eivotn\u00e9 prostredie.<\/p>\n
Trihydroxid hlinit\u00fd, \u010dastej\u0161ie ozna\u010dovan\u00fd ako ATH, je \u00fa\u010dinn\u00fd hydroxid hlinit\u00fd, ktor\u00fd sa dnes be\u017ene pou\u017e\u00edva ako spoma\u013eova\u010d horenia. Pon\u00faka \u00fa\u010dinn\u00fa alternat\u00edvu k halog\u00e9novan\u00fdm chemik\u00e1li\u00e1m, ktor\u00e9 pri rozklade uvo\u013e\u0148uj\u00fa toxick\u00e9 v\u00fdpary, ako aj environment\u00e1lne probl\u00e9my, ktor\u00e9 vznikaj\u00fa pri ich rozklade. Zl\u00fa\u010deniny hydroxidov kovov nie s\u00fa toxick\u00e9 a pri zahrievan\u00ed sa rozkladaj\u00fa na vodu a inertn\u00e9 oxidy; okrem toho s\u00fa ekologickej\u0161ie ako organick\u00e9 zl\u00fa\u010deniny br\u00f3mu, ako s\u00fa polybr\u00f3movan\u00e9 bifenyl\u00e9tery (PBDE). Tie sa v posledn\u00fdch rokoch stali z\u00e1kladom chemick\u00fdch l\u00e1tok na spoma\u013eovanie horenia.<\/p>\n
Oxid hlinit\u00fd prech\u00e1dza po\u010das v\u00fdroby mnoh\u00fdmi \u00fapravami, aby sa zv\u00fd\u0161ili jeho nehor\u013eav\u00e9 vlastnosti. Na jeho povrch sa aplikuj\u00fa silany, aby sa odstr\u00e1nili hrub\u00e9 \u010dastice a zabezpe\u010dila sa rovnomern\u00e1 distrib\u00facia ve\u013ekosti \u010dast\u00edc; to pom\u00e1ha zlep\u0161i\u0165 disperziu s r\u00f4znymi materi\u00e1lmi a m\u00f4\u017ee pom\u00f4c\u0165 pri disperzn\u00fdch procesoch. Nakoniec sa tepeln\u00fdm \u0161okov\u00fdm spracovan\u00edm \u010falej zvy\u0161uj\u00fa schopnosti spoma\u013eovania horenia.<\/p>\n
Okrem vlastnost\u00ed spoma\u013eova\u010da horenia vykazuje ATH vynikaj\u00facu oxida\u010dn\u00fa stabilitu, ktor\u00e1 m\u00f4\u017ee pred\u013a\u017ei\u0165 \u017eivotnos\u0165 polym\u00e9rov a in\u00fdch v\u00fdrobkov, ktor\u00e9 s n\u00edm prich\u00e1dzaj\u00fa do styku. Okrem toho jeho odolnos\u0165 vo\u010di migr\u00e1cii v podmienkach starnutia za mierneho tepla alebo vlhkosti a vysok\u00fd povrch pom\u00e1haj\u00fa zlep\u0161i\u0165 mechanick\u00e9 vlastnosti po primie\u0161an\u00ed do polym\u00e9rov.<\/p>\n
Oxid hlinit\u00fd je inertn\u00fd materi\u00e1l, ktor\u00fd sa pou\u017e\u00edva na v\u00fdrobu skla alebo na po\u0165ahovanie kovov s cie\u013eom izolova\u0165 ich od tepla, ako aj na tavenie a odlievanie do tvarov. Oxid hlinit\u00fd m\u00f4\u017ee sl\u00fa\u017ei\u0165 aj ako tepeln\u00fd izolant v peciach a zapa\u013eovac\u00edch svie\u010dkach, pri\u010dom jeho vysok\u00fd bod topenia, n\u00edzka mern\u00e1 hmotnos\u0165 a \u017eiaruvzdorn\u00e9 vlastnosti umo\u017e\u0148uj\u00fa v\u00fdrobu keramiky.<\/p>\n
Tvrd\u00e1 a biologicky inertn\u00e1 keramika je materi\u00e1lom vo\u013eby pre lo\u017eisk\u00e1 v n\u00e1hrad\u00e1ch bedrov\u00e9ho k\u013abu, zubn\u00fdch implant\u00e1toch a tkanivov\u00fdch v\u00fdstuh\u00e1ch. Okrem toho sa keramika pou\u017e\u00edva v zdravotn\u00edckych pom\u00f4ckach, ako s\u00fa umel\u00e9 kolen\u00e1 a stenty, ako aj v laborat\u00f3rnom vybaven\u00ed, napr\u00edklad v t\u00e9glikoch a in\u00fdch n\u00e1strojoch.<\/p>\n
Korund je forma oxidu hlinit\u00e9ho, ktor\u00e1 sa nach\u00e1dza v rub\u00ednoch a zaf\u00edroch drahokamovej kvality so s\u00fdtymi farbami, ako s\u00fa rub\u00edny a zaf\u00edry z Braz\u00edlie a Sr\u00ed Lanky. Ich farby v\u0161ak nepoch\u00e1dzaj\u00fa z \u010dist\u00e9ho oxidu hlinit\u00e9ho, ale obsahuj\u00fa stopov\u00e9 pr\u00edmesi, ako je \u017eelezo alebo tit\u00e1n, ktor\u00e9 dod\u00e1vaj\u00fa ich farb\u00e1m charakteristick\u00e9 odtiene. V\u010faka svojej tvrdosti sa z neho daj\u00fa vytvori\u0165 aj rezn\u00e9 br\u00fasiv\u00e1 pre rezn\u00e9 n\u00e1stroje.<\/p>\n
Hne\u010f ako sa oxid hlinit\u00fd rozpust\u00ed vo vode, vytvoria sa hydroxylov\u00e9 skupiny, ktor\u00e9 interaguj\u00fa s prote\u00ednmi a zvy\u0161uj\u00fa jeho zm\u00e1\u010davos\u0165 v porovnan\u00ed s r\u00f4znymi kovov\u00fdmi zliatinami a robia z oxidu hlinit\u00e9ho ide\u00e1lneho kandid\u00e1ta na n\u00e1terov\u00fd materi\u00e1l na ochranu proti kor\u00f3zii. Hlin\u00edk sa \u010dasto pou\u017e\u00edva aj ako pr\u00edmes do hliny v peciach na v\u00fdrobu tvrd\u00fdch glaz\u00far na pou\u017eitie ako keramick\u00e1 dekor\u00e1cia a na anodiza\u010dn\u00e9 \u00fapravy hlin\u00edkov\u00fdch s\u00fa\u010diastok.<\/p>\n
Oxid hlinit\u00fd sa pou\u017e\u00edva pri v\u00fdrobe br\u00fasnych materi\u00e1lov, keramiky a niektor\u00fdch plastov. Okrem toho sa m\u00f4\u017ee tavi\u0165 a formova\u0165 do tvaru, ktor\u00fd sa pou\u017e\u00edva ako izol\u00e1cia pec\u00ed alebo kovov\u00fdch odliatkov alebo pl\u00e1\u0161\u0165ov termo\u010dl\u00e1nkov (pr\u00edstrojov na meranie teploty). Tieto pr\u00edstroje funguj\u00fa na z\u00e1klade Seebeckovho javu: dva kovov\u00e9 dr\u00f4ty s r\u00f4znou teplotou sa na jednom konci spoja sp\u00e1jkovan\u00fdmi spojmi a potom sa ich druh\u00e9 konce pripevnia ku kusu keramiky alebo \u017eiaruvzdorn\u00e9ho materi\u00e1lu, ktor\u00fd zabra\u0148uje \u00faniku tepla z chladnej\u0161ieho kovu na hor\u00facom konci, \u010d\u00edm sa vytvor\u00ed rozdiel elektrick\u00fdch potenci\u00e1lov, ktor\u00fd sa m\u00f4\u017ee elektronicky mera\u0165 pomocou elektronick\u00e9ho zariadenia.<\/p>","protected":false},"excerpt":{"rendered":"
Aluminium oxide (Alumina) forms the core material for many industrial ceramics. It has hard, brittle properties with a high melting […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-720","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/comments?post=720"}],"version-history":[{"count":1,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/720\/revisions"}],"predecessor-version":[{"id":721,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/posts\/720\/revisions\/721"}],"wp:attachment":[{"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/media?parent=720"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/categories?post=720"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/artehistoria.net\/sk\/wp-json\/wp\/v2\/tags?post=720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}