Gdzie znajduje się złoto i jak jest wydobywane

Złoto w stanie naturalnym występuje w skałach kwarcowych w postaci włókien, drobinek i folii, często zmieszanych z minerałami srebra.
Można go również znaleźć w korytach rzek, zmieszany z piaskiem, w postaci ziaren i bryłek.
Wydobywanie złota
Ekstrakcję złota można przeprowadzić za pomocą trzech różnych procesów: wygładzania , amalgamacji i cyjanizacji . Jednak nie zawsze konieczne jest stosowanie wszystkich trzech procesów.
Wygładzanie odbywa się przy użyciu długich pojemników, które umożliwiają oddzielenie złota poprzez umożliwienie powolnego przepływu wody. W rzeczywistości odpady, lżejsze od złota, są wleczone wraz z wodą, a drobne kawałki złota opadają na dno pojemnika.
Podczas fuzji surowce są mielone na proszek, który następnie łączy się z rtęcią. Następnie metal szlachetny odzyskuje się poprzez destylację amalgamatu.
Cyjanizacja jest najważniejszym procesem ekstrakcji. Rudy złota traktuje się roztworem cyjanku potasu, w obecności powietrza złoto topi się i zamienia w cyjanek auropotasowy. Oddzielenie złota z tego roztworu następuje za pomocą cynku i elektrolitycznie.
Właściwości złota
Złoto w stanie naturalnym ma czerwono-żółty kolor, jest błyszczące, niezmienne i plastyczne (najbardziej plastyczny z metali). Z tego ostatniego powodu i aby umożliwić obróbkę, jest on dodawany do innych metali. Nie ma na nią wpływu żaden zwykły kwas, z wyjątkiem wody królewskiej, wody chlorowanej i cyjanków alkalicznych. Jego temperatura topnienia wynosi 1063°, a temperatura wrzenia 2600°.
Największymi producentami złota są Republika Południowej Afryki, Chiny, Stany Zjednoczone i Australia.
Uwagi
apr 30, 2025
apr 29, 2025
apr 29, 2025
apr 29, 2025
apr 28, 2025
apr 28, 2025
apr 28, 2025
apr 28, 2025
apr 28, 2025
apr 28, 2025
apr 28, 2025
apr 28, 2025
apr 27, 2025
apr 26, 2025
apr 26, 2025
apr 26, 2025
apr 26, 2025
apr 25, 2025
apr 25, 2025
apr 25, 2025
apr 24, 2025
apr 21, 2025
apr 20, 2025
apr 20, 2025
apr 20, 2025
apr 14, 2025
apr 14, 2025
apr 14, 2025
apr 14, 2025
apr 14, 2025
apr 14, 2025
apr 14, 2025
apr 14, 2025
apr 14, 2025
apr 14, 2025
apr 13, 2025
apr 13, 2025
apr 12, 2025
apr 12, 2025
apr 12, 2025
apr 12, 2025
apr 12, 2025
apr 11, 2025
apr 10, 2025
apr 10, 2025
apr 10, 2025
apr 10, 2025
apr 10, 2025
apr 10, 2025
apr 10, 2025
apr 10, 2025
apr 8, 2025
apr 8, 2025
apr 8, 2025
apr 8, 2025
apr 8, 2025
apr 4, 2025
apr 3, 2025
apr 2, 2025
apr 2, 2025
apr 2, 2025
mar 31, 2025
mar 30, 2025
mar 30, 2025
mar 30, 2025
mar 29, 2025
mar 29, 2025
mar 29, 2025
mar 29, 2025
mar 29, 2025
mar 28, 2025
mar 28, 2025
mar 27, 2025
mar 26, 2025
mar 26, 2025
mar 25, 2025
mar 25, 2025
mar 25, 2025
mar 25, 2025
mar 24, 2025
mar 24, 2025
mar 23, 2025
mar 23, 2025
mar 22, 2025
mar 22, 2025
mar 22, 2025
mar 22, 2025
mar 21, 2025
mar 21, 2025
mar 21, 2025
mar 19, 2025
mar 19, 2025
mar 18, 2025
mar 17, 2025
mar 17, 2025
mar 17, 2025
mar 16, 2025
mar 14, 2025
mar 14, 2025
mar 14, 2025
mar 12, 2025
mar 12, 2025
mar 12, 2025
mar 12, 2025
mar 10, 2025
mar 9, 2025
mar 8, 2025
mar 4, 2025
mar 4, 2025
mar 3, 2025
mar 1, 2025
mar 1, 2025
mar 1, 2025
feb 21, 2025
feb 20, 2025
feb 18, 2025
feb 18, 2025
feb 17, 2025
feb 17, 2025
feb 17, 2025
feb 16, 2025
feb 16, 2025
feb 16, 2025
feb 15, 2025
feb 15, 2025
feb 15, 2025
feb 15, 2025
feb 15, 2025
feb 15, 2025
feb 15, 2025
feb 15, 2025
feb 14, 2025
feb 14, 2025
feb 14, 2025
feb 14, 2025
feb 14, 2025
feb 13, 2025
feb 13, 2025
feb 13, 2025
feb 13, 2025
feb 13, 2025
feb 13, 2025
feb 12, 2025
feb 12, 2025
feb 12, 2025
feb 12, 2025
feb 12, 2025
feb 11, 2025
feb 11, 2025
feb 11, 2025
feb 10, 2025
feb 9, 2025
feb 8, 2025
feb 7, 2025
feb 7, 2025
feb 7, 2025
feb 5, 2025
feb 5, 2025
feb 5, 2025
feb 5, 2025
feb 5, 2025
feb 5, 2025
feb 3, 2025
feb 3, 2025
gen 30, 2025
gen 30, 2025
gen 26, 2025
gen 26, 2025
gen 26, 2025
gen 25, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 23, 2025
gen 22, 2025
gen 18, 2025
gen 14, 2025
gen 14, 2025
gen 14, 2025
gen 13, 2025
gen 13, 2025
gen 13, 2025
gen 13, 2025
gen 13, 2025
gen 12, 2025
gen 12, 2025
gen 10, 2025
gen 10, 2025
gen 9, 2025
gen 9, 2025
gen 9, 2025
gen 7, 2025
gen 7, 2025
gen 7, 2025
gen 7, 2025
gen 4, 2025
gen 4, 2025
gen 4, 2025
gen 1, 2025
dic 31, 2024
dic 31, 2024
dic 31, 2024
dic 30, 2024
dic 30, 2024
dic 29, 2024
dic 29, 2024
dic 28, 2024
dic 26, 2024
dic 26, 2024
dic 26, 2024
dic 25, 2024
dic 25, 2024
dic 25, 2024
dic 24, 2024
dic 24, 2024
dic 24, 2024
dic 23, 2024
dic 23, 2024
dic 22, 2024
dic 22, 2024
dic 20, 2024
dic 19, 2024
dic 18, 2024
dic 17, 2024
dic 17, 2024
dic 15, 2024
dic 14, 2024
dic 14, 2024
dic 14, 2024
dic 13, 2024
dic 13, 2024
dic 13, 2024
dic 13, 2024
dic 13, 2024
dic 13, 2024
dic 11, 2024
dic 9, 2024
dic 8, 2024
dic 8, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 7, 2024
dic 5, 2024
dic 5, 2024
dic 4, 2024
dic 3, 2024
dic 3, 2024
dic 3, 2024
dic 3, 2024
dic 3, 2024
dic 3, 2024
dic 2, 2024
dic 2, 2024
dic 2, 2024
dic 2, 2024
dic 2, 2024
dic 2, 2024
dic 2, 2024
dic 1, 2024
dic 1, 2024
dic 1, 2024
nov 30, 2024
nov 30, 2024
nov 29, 2024
nov 29, 2024
nov 29, 2024
nov 27, 2024
nov 26, 2024
nov 26, 2024
nov 26, 2024
nov 26, 2024
nov 26, 2024
nov 25, 2024
nov 25, 2024
nov 24, 2024
nov 24, 2024
nov 23, 2024
nov 22, 2024
nov 22, 2024
nov 22, 2024
nov 22, 2024
nov 22, 2024
nov 21, 2024
nov 21, 2024
nov 21, 2024
nov 21, 2024
nov 20, 2024
nov 20, 2024
nov 20, 2024
nov 20, 2024
nov 20, 2024
nov 20, 2024
nov 19, 2024
nov 19, 2024
nov 19, 2024
nov 19, 2024
nov 18, 2024
nov 18, 2024
nov 17, 2024
nov 17, 2024
nov 17, 2024
nov 17, 2024
nov 16, 2024
nov 16, 2024
nov 16, 2024
nov 16, 2024
nov 15, 2024
nov 15, 2024
nov 14, 2024
nov 14, 2024
nov 14, 2024
nov 14, 2024
nov 14, 2024
nov 11, 2024
nov 11, 2024
nov 10, 2024
nov 10, 2024
nov 10, 2024
nov 10, 2024
nov 7, 2024
nov 7, 2024
nov 6, 2024
nov 6, 2024
ott 30, 2024
ott 30, 2024
ott 29, 2024
ott 25, 2024
ott 25, 2024
ott 25, 2024
ott 21, 2024
ott 17, 2024
ott 17, 2024
ott 14, 2024
ott 14, 2024
ott 7, 2024
ott 5, 2024
ott 4, 2024
ott 4, 2024
ott 4, 2024
set 23, 2024
set 23, 2024
set 22, 2024
set 19, 2024
set 19, 2024
set 18, 2024
set 18, 2024
set 16, 2024
set 16, 2024
set 16, 2024
set 16, 2024
set 15, 2024
set 14, 2024
set 11, 2024
set 11, 2024
set 10, 2024
set 9, 2024
set 9, 2024
set 9, 2024
set 8, 2024
set 6, 2024
set 3, 2024
ago 29, 2024
ago 29, 2024
ago 27, 2024
ago 26, 2024
ago 25, 2024
ago 24, 2024
ago 24, 2024
ago 24, 2024
ago 24, 2024
ago 22, 2024
ago 22, 2024
ago 22, 2024
ago 22, 2024
ago 22, 2024
ago 22, 2024
ago 22, 2024
ago 22, 2024
ago 22, 2024
ago 14, 2024
ago 14, 2024
lug 29, 2024
giu 2, 2024
giu 1, 2024
mag 30, 2024
mag 30, 2024
mag 29, 2024
mag 28, 2024
mag 26, 2024
mag 24, 2024
mag 23, 2024
mag 21, 2024
mag 20, 2024
mag 19, 2024
mag 15, 2024
mag 14, 2024
mag 4, 2024
mag 4, 2024