Life is feudal wiki stone keep
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Several months go by while they collect more nitric acid and distill more alcohol, and during the winter they finally succeed in reverting a swallow back to normal. He comments that he wants to try using nital (a stronger corrosive agent) instead, but needs alcohol to do it. However Senku notes that just pouring nitric acid on a statue doesn't undo the petrification.
#LIFE IS FEUDAL WIKI STONE KEEP FREE#
Senku concludes that the nitric acid from the bat guano in the cave helped free both himself and Taiju from petrification. Synopsis Stone Formula ArcĪfter Taiju came across the Cave of Miracles, Senku explains his logic on how the petrification works. Additionally, bathing in revival fluid would probably protect the person from the beam, but doing so would kill them. Thus, if a body part is submerged in the revival fluid while the rest is becoming petrified, the submerged portion will not turn to stone and likely separate and fall off without depetrifying the rest. The revival fluid also has the ability to stop the petrification in its tracks. The volume of fluid need may also be proportional to the size of the body. This is presumably because it takes longer to corrode through the weathered outer layer. The time taken for the fluid to begin the depetrification process is proportional to the amount of weathering the stone has endured, such that things that have been petrified for thousands of years may take several seconds to begin cracking. Occasionally, stone pieces may remain on the body which can then be removed by pouring revival fluid onto that specific part. This can be done on either a separated body part or a whole body, though the effect will end once it's traveled across all connected stone parts. The revival fluid is used by pouring an amount of it onto the petrified stone, which then triggers a chain reaction across the stone, undoing the petrification. The ratio is 30% nitric acid to 70% alcohol and the reaction won't occur unless it's perfect. The completed revival fluid is a compound of nitric acid and alcohol created by mixing nitric acid with as close to pure alcohol (96%) as possible. Sources of alcohol that were used have been distilled from grape wine, corn, and jabuticaba. The first replacement for the cave if miracles was the Ostwald process, carried out in a small setup and relying on a platinum catalyst, the source material for which was found inside the Soyuz capsule at treasure island It was painstakingly collected and deposited there by Byakuya thousands of years prior.Ī more industrial process that allowed to produce bigger quantities of acid was starting from the ammonia made by the Haber-Bosch plant previously constructed by the americans. The bat guano replacement setup, where ammonia is converted into nitric acid.Īfter the cave of miracles was destroyed by Homura as part of a plan by Hyoga to take over the stone world, other sources of nitric acid had to be found, also to meet the demand of the massive undertaking that is reviving all of humanity. Senku's first version used rare naturally occuring nitric acid from the appropriately named cave of miracles, requiring only filtering and mixing in the proper ratio with ethanol distilled from wild grape wine. Pre-petrification, it was normally made from nitric acid and an alcohol, usually methanol, ethanol or methylated spirits. Here, nital is used to trigger depetrification by corroding the outer stone layer.
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The revival fluid is a form of nital, which is an industrial etching solution and more corrosive than nitric acid alone.