引用:
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作者rickyhsimen
一一"
Au：
平均分子量：196.7
質子數：79
含量最大＆最穩定同位素：Au-197(99.9%)
Au-197中子數：118
Pb：
平均分子量：207.2
質子數：82
含量最大＆最穩定同位素：Pb-208 （52.4％）
Pb-208中子數：126
比較兩者最穩定同位素之質子數與中子數差
質子數差：82-79＝3
中子數差：126-118＝8
基本上如果你想要透過化學方法把鉛變為金那是不可能的，
一個元素的化學性質是由質子數來決定的，
如果你想要改變鉛的性質使其變為黃金
意味著你需要始鉛的質子數變為跟金一樣，
也就是說你必須從鉛核移去3顆質子，
但是很抱歉的，一切的化學變化都是電子的轉移，
所以用任何方化學法是無法始鉛變為黃金的！
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嗯, 這題用普通的招式根本沾不了邊.
那就使出終極招式 [點石成金大法/煉金術] -- 核化學 .
http://en.wikipedia.org/wiki/Alchemy
Unduplicated transmutation claims
In 1964, George Ohsawa and Michio Kushi, based on the claims of Corentin Louis Kervran, reportedly successfully transmuted sodium into potassium, by use of an electric arc, and later of carbon and oxygen into iron.[citation needed] In 1994, R. Sundaresan and J. Bockris reported that they had observed fusion reactions in electrical discharges between carbon rods immersed in water. However, these claims have not been replicated by other scientists, and the idea is now thoroughly discredited.[citations needed]
http://en.wikipedia.org/wiki/Nuclear_transmutation
Gold
Nuclear experiments have successfully transmuted lead into gold, but the expense far exceeds any gain[1]. It would be easier to convert gold into lead via neutron capture and beta decay by leaving gold in a nuclear reactor for a long period of time.
197Au + n → 198Au (halflife 2.7 days) → 198Hg + n → 199Hg + n → 200Hg + n → 201Hg + n → 202Hg + n → 203Hg (halflife 47 days) → 203Tl + n → 204Tl (halflife 3.8 years) → 204Pb (halflife 1.4x1017 years)
簡單的說就是假設煉金數只是植基於單純的質子捕獲反應, 那麼 75Re, 76Os, 77Ir, 78Pt 都比 79Au來得貴, 除非是把74W拿來照射. 所以要用80Hg, 81Tl, 82Pb, 83Bi來當起始原料才會符合經濟效益.