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Akaga
Gukuramo Plomb mu Galena — Logani Yabwiriye Inzira Ikunze
Uburyo bwo kumenyа na gukuramo galena (PbS) kugira ngo wakure plomb yagizwe. Galena ni inyenzo nyinshi ya plomb kandi yabwiriye kuva mu mahoro 6500 BCE i Anatolia, ikanageza plomb mumiryango yibanze yabwiriye n'abantu. Igishushanyo kiri hano gifite: kumenya inyenzo (kristali ciyumviriza, inzira myinshi, umugezi 7.4-7.6), gukuramo kumvura souferi (PbS + O2 -> PbO + SO2), no kwangiza plomb oxide kugira ngo bakure plomb yagizwe. CRITICAL: Plomb ni ibiciro byose bitakira ubwonko bitagira urwego rwacu rwizewe. Ibikoresho byo kurinda hamwe n'amashanyalaze ni ngombwa.
Hejuru
Amasaha 6-8
Ibirimo biteje akaga
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