{"id":8602,"date":"2022-06-08T02:00:00","date_gmt":"2022-06-08T00:00:00","guid":{"rendered":"https:\/\/svetkamene.eu\/?p=8602"},"modified":"2022-06-17T19:53:34","modified_gmt":"2022-06-17T17:53:34","slug":"wydobycie-srebra-jego-historia-i-zastosowanie-czesc-1","status":"publish","type":"post","link":"https:\/\/svetkamene.eu\/index.php\/pl\/2022\/06\/08\/wydobycie-srebra-jego-historia-i-zastosowanie-czesc-1\/","title":{"rendered":"Wydobycie srebra, jego historia i&nbsp;zastosowanie &#8211; cz\u0119\u015b\u0107 1"},"content":{"rendered":"\n<p><strong>Srebro by\u0142o u\u017cywane przez wiele tysi\u0119cy lat, nawet wcze\u015bniej ni\u017c z\u0142oto. Chaldejczycy w swojej stolicy, Babilonie tworzyli srebrn\u0105 bi\u017cuteri\u0119 ju\u017c 6000 lat temu. Dop\u00f3ki w Ameryce nie odkryto bogatych z\u0142\u00f3\u017c srebra, \u015bwiec\u0105cy bia\u0142y metal by\u0142 tak samo popularny i&nbsp;drogi jak z\u0142oto.<\/strong><\/p>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>W\u0142a\u015bciwo\u015bci<\/strong><\/p>\n\n\n\n<p>Srebro jest bia\u0142ym, b\u0142yszcz\u0105cym, plastycznym i&nbsp;ci\u0105gliwym metalem szlachetnym o&nbsp;najwy\u017cszej przewodno\u015bci cieplnej i&nbsp;elektrycznej. Bardzo rzadko wyst\u0119puje w zwi\u0105zkach z&nbsp;innymi metalami, takimi jak czysty metal. Najbogatsza ruda srebra nazywana jest argentytem, \u200b\u200bmo\u017ce zawiera\u0107 ponad 87% srebra. Inne szlachetne rudy srebra to proustyt \u2013 ponad 65% srebra i&nbsp;piargiryt \u2013 ponad 65% srebra itd. Istotniejszym \u017ar\u00f3d\u0142em srebra s\u0105 rudy zawieraj\u0105ce srebro. Najwi\u0119cej srebra pozyskuje si\u0119 z&nbsp;rud o\u0142owiu i&nbsp;cynku &#8211; 45%, z&nbsp;rud miedzi i&nbsp;miedziowo-niklowych &#8211; 18%, razem ze z\u0142otem &#8211; 15% i&nbsp;w rudach cyny &#8211; oko\u0142o 2%. A&nbsp;zatem w\u0142asne rudy srebra stanowi\u0105 20%.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Srebrzenie wody<\/strong><\/p>\n\n\n\n<p>Kolejn\u0105 cech\u0105 srebra wykorzystywan\u0105 przez ludzi ju\u017c od czas\u00f3w staro\u017cytnych jest srebrzenie wody.<\/p>\n\n\n\n<p>Srebro zanurzone w wodzie powoduje s\u0142ab\u0105 reakcj\u0119 chemiczn\u0105. Niewielka domieszka halogenk\u00f3w srebra \u201eo\u017cywia&#8220; wod\u0119 (tworz\u0105 si\u0119 b\u0105belki) i&nbsp;nadaje jej dzia\u0142anie antybakteryjne. Rewitalizacja wody przy pomocy srebra jest stosowana do dzi\u015b, ale ju\u017c przy u\u017cyciu nowoczesnych metod. Mi\u0119dzy dwiema srebrnymi elektrodami zanurzonymi w wodzie przep\u0142ywa pr\u0105d elektryczny. Ta metoda jest stosowana w zbiornikach wodnych, w oceanicznych parowcach i&nbsp;statkach kosmicznych.<\/p>\n\n\n\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Ag kontra Au<\/strong><\/p>\n\n\n\n<p>Naturalny stop jasno\u017c\u00f3\u0142tego z\u0142ota i&nbsp;srebra nazywany jest kustelitem (&lt;10% z\u0142ota) lub elektrumem (>10% z\u0142ota). Srebro jest po&nbsp;z\u0142ocie najlepszym kutym metalem, mo\u017cna je ci\u0105\u0107 na plastry o&nbsp;grubo\u015bci do 0,002 mm. Niekt\u00f3re jego w\u0142a\u015bciwo\u015bci przewy\u017cszaj\u0105 nawet z\u0142oto, na przyk\u0142ad ma ni\u017csz\u0105 temperatur\u0119 topnienia, czyste srebro jest twardsze. Ale w przeciwie\u0144stwie do z\u0142ota szybko traci sw\u00f3j blask. W staro\u017cytno\u015bci srebro by\u0142o przez niekt\u00f3re narody wyceniane wy\u017cej ni\u017c z\u0142oto, o&nbsp;czym wspomina np. grecki historyk Strabon, wed\u0142ug kt\u00f3rego niekt\u00f3re narody arabskie rzekomo wymienia\u0142y jedn\u0105 cz\u0119\u015b\u0107 srebra na dwie cz\u0119\u015bci z\u0142ota.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u0179r\u00f3d\u0142o: <a href=\"https:\/\/www.lomyatezba.cz\/2012\/2012-4\/item\/214-tezba-stribra-jeho-historie-a-vyuziti\" target=\"_blank\" rel=\"noreferrer noopener\">Lomy a&nbsp;t\u011b\u017eba<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Srebro by\u0142o u\u017cywane przez wiele tysi\u0119cy lat, nawet wcze\u015bniej ni\u017c z\u0142oto. Chaldejczycy w swojej stolicy,&#8230;<\/p>\n","protected":false},"author":32,"featured_media":2936,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[374],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Wydobycie srebra, jego historia i zastosowanie - cz\u0119\u015b\u0107 1 - Sv\u011bt Kamene<\/title>\n<meta name=\"description\" content=\"P\u0159\u00edrodn\u00ed slitina zlata a st\u0159\u00edbra sv\u011btle \u017elut\u00e9 barvy se naz\u00fdv\u00e1 kustelit (&lt; 10% zlata) nebo elektrum (&gt; 10% zlata). 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