# Protactinium 233

Pyanodons item · internal name `pa-233` · stack size 100 · first craftable in tier 9 (Utility science pack, [tier 9](https://factorio.kalzumeus.com/tier/9.md))
HTML page: https://factorio.kalzumeus.com/item/pa-233/

## Produced by (1 recipes)

### Protactinium 233 (`pa-233-seperation`)

- 50 s · tier 9
- Ingredients: 1000 × [Molten fluoride with Pa-233](https://factorio.kalzumeus.com/fluid/molten-fluoride-thorium-pa233.md), 100 × [Molten aluminium](https://factorio.kalzumeus.com/fluid/molten-aluminium.md)
- Results: 900 × [Molten fluoride with thorium](https://factorio.kalzumeus.com/fluid/molten-fluoride-thorium.md), 10000 × [Hot Molten Salt](https://factorio.kalzumeus.com/fluid/hot-molten-salt.md) (5000°C), 10 × [Protactinium 233](https://factorio.kalzumeus.com/item/pa-233.md)
- Made in: Centrifuge, Centrifuge MK 01, Centrifuge MK 02, Centrifuge MK 03, Centrifuge MK 04
- Unlocked by: [Nuclear Power - Stage 3](https://factorio.kalzumeus.com/tech/nuclear-power-mk03.md)

## Used in (1 recipes)

- Uranium 233 (`pa233-u233`, tier 9) → [Uranium 233](https://factorio.kalzumeus.com/item/u-233.md)