{"id":62516,"date":"2023-04-21T12:22:47","date_gmt":"2023-04-21T17:22:47","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/can-you-clean-coins-with-ultrasonic-cleaner\/"},"modified":"2025-01-27T06:02:12","modified_gmt":"2025-01-27T11:02:12","slug":"can-you-clean-coins-with-ultrasonic-cleaner","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/cs\/can-you-clean-coins-with-ultrasonic-cleaner\/","title":{"rendered":"Ultrazvukov\u00e1 \u010disti\u010dka minc\u00ed: Ano \u010di ne?"},"content":{"rendered":"<p>Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed se stalo popul\u00e1rn\u00ed metodou pro \u00fadr\u017ebu nejr\u016fzn\u011bj\u0161\u00edch p\u0159edm\u011bt\u016f, v\u010detn\u011b minc\u00ed.  Mnoho sb\u011bratel\u016f a nad\u0161enc\u016f se pt\u00e1, zda je tato metoda vhodn\u00e1 pro \u010di\u0161t\u011bn\u00ed jejich drahocenn\u00fdch minc\u00ed a zda nesp\u016fsob\u00ed nenapraviteln\u00e9 po\u0161kozen\u00ed.  Odpov\u011b\u010f nen\u00ed jednozna\u010dn\u00e1 a z\u00e1vis\u00ed na n\u011bkolika faktorech, kter\u00e9 si podrobn\u011b rozebereme.<\/p>\n<h3>Vhodn\u00e9 typy minc\u00ed pro ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed<\/h3>\n<p>Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed je obecn\u011b vhodn\u00e9 pro mince vyroben\u00e9 z kov\u016f, kter\u00e9 jsou odoln\u00e9 v\u016f\u010di kavitaci \u2013 jevu, kter\u00fd je z\u00e1kladem fungov\u00e1n\u00ed ultrazvukov\u00e9ho \u010disti\u010de.  To zahrnuje nap\u0159\u00edklad mince z m\u011bdi, st\u0159\u00edbra a niklu.  Nicm\u00e9n\u011b, i u t\u011bchto kov\u016f je nutn\u00e1 opatrnost.  Zvl\u00e1\u0161t\u011b star\u00e9 a po\u0161kozen\u00e9 mince mohou b\u00fdt ultrazvukov\u00fdm \u010di\u0161t\u011bn\u00edm negativn\u011b ovlivn\u011bny.  Mince z drah\u00fdch kov\u016f, jako je zlato, jsou obecn\u011b odoln\u011bj\u0161\u00ed, ale i u nich je doporu\u010deno postupovat s maxim\u00e1ln\u00ed opatrnost\u00ed a pou\u017e\u00edvat \u0161etrn\u00e9 \u010distic\u00ed prost\u0159edky.  Naopak, mince vyroben\u00e9 z hlin\u00edku, olova nebo zinku by se ultrazvukov\u00fdm \u010di\u0161t\u011bn\u00edm \u010distit nem\u011bly, jeliko\u017e by mohly b\u00fdt nevratn\u011b po\u0161kozeny.<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Kov mince<\/th>\n<th>Vhodnost pro ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed<\/th>\n<th>Pozn\u00e1mka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u011b\u010f<\/td>\n<td>Vhodn\u00e9<\/td>\n<td>Pot\u0159ebn\u00e1 opatrnost, zejm\u00e9na u star\u00fdch minc\u00ed<\/td>\n<\/tr>\n<tr>\n<td>St\u0159\u00edbro<\/td>\n<td>Vhodn\u00e9<\/td>\n<td>Pot\u0159ebn\u00e1 opatrnost, zejm\u00e9na u star\u00fdch minc\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Nikl<\/td>\n<td>Vhodn\u00e9<\/td>\n<td>Pot\u0159ebn\u00e1 opatrnost, zejm\u00e9na u star\u00fdch minc\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Zlato<\/td>\n<td>Vhodn\u00e9 s opatrnost\u00ed<\/td>\n<td>Pou\u017e\u00edvat \u0161etrn\u00e9 \u010distic\u00ed prost\u0159edky<\/td>\n<\/tr>\n<tr>\n<td>Hlin\u00edk<\/td>\n<td>Nevhodn\u00e9<\/td>\n<td>Riziko po\u0161kozen\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Olovo<\/td>\n<td>Nevhodn\u00e9<\/td>\n<td>Riziko po\u0161kozen\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Zinek<\/td>\n<td>Nevhodn\u00e9<\/td>\n<td>Riziko po\u0161kozen\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Volba \u010distic\u00edho roztoku<\/h3>\n<p>Pou\u017eit\u00ed spr\u00e1vn\u00e9ho \u010distic\u00edho roztoku je kl\u00ed\u010dov\u00e9 pro \u00fasp\u011b\u0161n\u00e9 a \u0161etrn\u00e9 \u010di\u0161t\u011bn\u00ed minc\u00ed v ultrazvukov\u00e9m \u010disti\u010di.  Destilovan\u00e1 voda sama o sob\u011b m\u016f\u017ee b\u00fdt dostate\u010dn\u00e1 pro odstran\u011bn\u00ed povrchov\u00e9 \u0161p\u00edny, ale pro siln\u011bj\u0161\u00ed zne\u010di\u0161t\u011bn\u00ed je vhodn\u00e9 pou\u017e\u00edt speci\u00e1ln\u00ed \u010distic\u00ed roztoky ur\u010den\u00e9 pro mince.  Je d\u016fle\u017eit\u00e9 dodr\u017eovat doporu\u010den\u00e9 \u0159ed\u011bn\u00ed a dobu \u010di\u0161t\u011bn\u00ed, aby se p\u0159ede\u0161lo po\u0161kozen\u00ed minc\u00ed.  Agresivn\u00ed \u010distic\u00ed prost\u0159edky mohou po\u0161kodit povrchovou vrstvu minc\u00ed a sn\u00ed\u017eit jejich hodnotu.<\/p>\n<h3>Doba a intenzita \u010di\u0161t\u011bn\u00ed<\/h3>\n<p>Doba ultrazvukov\u00e9ho \u010di\u0161t\u011bn\u00ed by m\u011bla b\u00fdt kr\u00e1tk\u00e1, obvykle se pohybuje od n\u011bkolika sekund do n\u011bkolika minut.  Dlouhodob\u00e9 vystaven\u00ed ultrazvukov\u00fdm vln\u00e1m m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed minc\u00ed.  Intenzita \u010di\u0161t\u011bn\u00ed by m\u011bla b\u00fdt tak\u00e9 p\u0159im\u011b\u0159en\u00e1.  P\u0159\u00edli\u0161 siln\u00e9 \u010di\u0161t\u011bn\u00ed m\u016f\u017ee po\u0161kodit povrch minc\u00ed, zat\u00edmco p\u0159\u00edli\u0161 slab\u00e9 \u010di\u0161t\u011bn\u00ed nebude dostate\u010dn\u011b \u00fa\u010dinn\u00e9.  Postup je vhodn\u00e9 nejprve vyzkou\u0161et na m\u00e9n\u011b cenn\u00e9 minci, abyste si ov\u011b\u0159ili jeho \u00fa\u010dinnost a bezpe\u010dnost.<\/p>\n<h3>Bezpe\u010dnostn\u00ed opat\u0159en\u00ed<\/h3>\n<p>P\u0159ed \u010di\u0161t\u011bn\u00edm minc\u00ed v ultrazvukov\u00e9m \u010disti\u010di je d\u016fle\u017eit\u00e9 prov\u00e9st d\u016fkladnou kontrolu jejich stavu.  Po\u0161kozen\u00e9 nebo k\u0159ehk\u00e9 mince by se nem\u011bly \u010distit touto metodou.  Po ukon\u010den\u00ed \u010di\u0161t\u011bn\u00ed je nutn\u00e9 mince d\u016fkladn\u011b opl\u00e1chnout destilovanou vodou a n\u00e1sledn\u011b usu\u0161it m\u011bkk\u00fdm had\u0159\u00edkem.  Nespr\u00e1vn\u00e9 \u010di\u0161t\u011bn\u00ed m\u016f\u017ee v\u00e9st k nenapraviteln\u00e9mu po\u0161kozen\u00ed minc\u00ed a sn\u00ed\u017een\u00ed jejich hodnoty.<\/p>\n<p>Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed m\u016f\u017ee b\u00fdt efektivn\u00ed metodou pro \u010di\u0161t\u011bn\u00ed n\u011bkter\u00fdch typ\u016f minc\u00ed, av\u0161ak vy\u017eaduje opatrnost a znalost spr\u00e1vn\u00e9ho postupu.  Pou\u017e\u00edv\u00e1n\u00ed nevhodn\u00fdch \u010distic\u00edch roztok\u016f nebo p\u0159\u00edli\u0161 dlouh\u00e1 doba \u010di\u0161t\u011bn\u00ed m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed minc\u00ed.  Je proto d\u016fle\u017eit\u00e9 postupovat s rozvahou a dodr\u017eovat bezpe\u010dnostn\u00ed opat\u0159en\u00ed.  P\u0159i nejistot\u011b je v\u017edy lep\u0161\u00ed se obr\u00e1tit na odborn\u00edka na numismatiku.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed se stalo popul\u00e1rn\u00ed metodou pro \u00fadr\u017ebu nejr\u016fzn\u011bj\u0161\u00edch p\u0159edm\u011bt\u016f, v\u010detn\u011b minc\u00ed. Mnoho sb\u011bratel\u016f a nad\u0161enc\u016f se pt\u00e1, zda je tato metoda vhodn\u00e1 pro \u010di\u0161t\u011bn\u00ed jejich drahocenn\u00fdch minc\u00ed a zda nesp\u016fsob\u00ed nenapraviteln\u00e9 po\u0161kozen\u00ed. Odpov\u011b\u010f nen\u00ed jednozna\u010dn\u00e1 a z\u00e1vis\u00ed na n\u011bkolika faktorech, kter\u00e9 si podrobn\u011b rozebereme. Vhodn\u00e9 typy minc\u00ed pro ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed Ultrazvukov\u00e9 \u010di\u0161t\u011bn\u00ed je obecn\u011b<\/p>\n","protected":false},"author":1,"featured_media":20110,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6415],"tags":[],"class_list":["post-62516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/62516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/comments?post=62516"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/posts\/62516\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media\/20110"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/media?parent=62516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/categories?post=62516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/cs\/wp-json\/wp\/v2\/tags?post=62516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}