Калиев перманганат [Nature Category:
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The most important words from all discussions“Калиев перманганат се нарича химическото съединение с формула KMnO4. В тази сол манганът е в степен на окисление +7. Перманганатният йон е силен окислител. Той се разтваря във вода и дава ярковиолетови разтвори, които след изпаряване дават призматични виолетово-черни лъскави кристали. Не се приема вътрешно, защото е отровен. За външна дезинфекция се използва разтвора на 2 – 3 кристалчета калиев перманганат в 1 литър вода (до бледорозов разтвор). По-концентриран разтвор или допир с неразтворен кристал причинява изгаряния на кожата. …” (Wikipedia) (Wikipedia translated)
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