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Baaad Chemicals (ヤベー (くすり) Yabē Kusuri) is the thirty-third chapter of the Dr. Stone manga.

Summary

The group return from the sulfur lake with several jars of sulfuric acid. With that, they have most of the basics they need to begin working on the sulfa drug for Ruri. They go through several steps to create hydrochloric acid, chlorosulfuric acid, and sodium hydroxide. Senku's comments on how dangerous each of the chemicals are concerns Kohaku, who asks if they plan to make her sister drink it. Senku assures her that it won't be toxic when she takes the final form. They then get ammonia from urine, which concerns Kohaku further.

The final ingredient they need is alcohol, and Kaseki mentions that they could probably get a ton of it if they win the Grand Bout tomorrow. They get excited by this prospect.

The next morning, Kokuyo checks that the preparations are all going accordingly, and Turquoise admits that there is one problem: Kohaku signed up, but even worse, Senku had joined as well. Since there's nothing in the rules against it, they can't refute them joining. Even Senku's friends are surprised he joined, but him and Ginro are trying to find as many ways to push the rules as possible, and even try getting Kinro in on it.

Senku steps foot in the village, and for the first time Ruri hears his name. She begins descending the stairs of the chief's hut, seemingly knowing his name somehow.

Characters in Order of Appearance

Chapter Notes

  • The group return from the sulfur spring with sulfuric acid.
  • Work begins on the sulfa drug.
  • The Grand Bout is tomorrow, and they plan to win it to get the alcohol they need.
  • Ruri recognizes Senku's name.

Trivia

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Chapters and Volumes
Volume 1 1234567Extras
Volume 2 89101112131416Extras
Volume 3 17181519202122232425Extras
Volume 4 262728293031323334Extras
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Volume 15 125126127128129130131132133Extras
Volume 16 134135136137138139140141142Extras
Volume 17 143144145146147148149150151Extras
Volume 18 152153154155156157158159160Extras
Volume 19 161162163164165166167168169
Volume 20 170171172173174175176177178
Volume 21 179180181182183184185186187
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Volume 23 197198199200201202203204205
Chapters not yet in tankōbon format 206207208209210211212213214215216217218219220
[v  e]
Story Arcs
Prologue Saga
Stone Formula Arc
Chapters 1234
Episodes 12
Vs. Tsukasa Arc
Chapters 56789101112
Episodes 345
Ishigami Village Saga
Kingdom of Science Arc
Chapters 131415161718192021222324252627282930313233
Episodes 5678910111213
Village Games Arc
Chapters 34353637383940
Episodes 131415
Village Origins Arc
Chapters 4142434445
Episodes 1617
Stone Wars Saga
Vs. Hyoga Arc
Chapters 4647484950
Episodes 1819
Communications Arc
Chapters 5152535455565758596061626364656667686970717273747576777879808182
Episodes 20212223242526272829303132333435
Source of the Petrification Saga
Age of Exploration Arc
Chapters 8384858687888990919293949596979899 100
Episodes 35
Treasure Island Arc
Chapters 101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
Episodes
The Truth of the Petrification Saga
New America City Arc
Chapters 139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169
Episodes
South America Arc
Chapters 170171172173174175176177178179180181182183184185186187188189190191192193
Episodes
New Stone World Arc
Chapters 194195196197198199200
Episodes
Globetrotting Arc
Chapters 201202203204205206207208209210211212
Episodes
Stone to Space Saga
Moon Mission Arc
Chapters 213214215216217218219220
Episodes
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