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>> No.63107149 [View]
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63107149

>>63097519
>Let urine stand for days until it gives off a pungent smell. (This step was not necessary, as later scientists discovered that fresh urine yielded the same amount of phosphorus).
>Boil urine to reduce it to a thick syrup.
>Heat until a red oil distills up from it, and draw that off.
>Allow the remainder to cool, where it consists of a black spongy upper part and a salty lower part.
>Discard the salt, mix the red oil back into the black material.
>Heat that mixture strongly for 16 hours.
>First white fumes come off, then an oil, then phosphorus.
>The phosphorus may be passed into cold water to solidify.

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