# Plutonium 239

Pyanodons item · internal name `pu-239` · stack size 100 · first craftable in tier 4 (pY science pack 2, [tier 4](https://factorio.kalzumeus.com/tier/4.md))
HTML page: https://factorio.kalzumeus.com/item/pu-239/

## Produced by (7 recipes)

### Plutonium 239 (`plutonium-seperation`)

- 5 s · tier 4
- Ingredients: 5 × [Plutonium Oxide](https://factorio.kalzumeus.com/item/plutonium-oxide.md)
- Results: 0.3 × [Plutonium 238](https://factorio.kalzumeus.com/item/pu-238.md) (2% chance of 15), 7.95 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md) (53% chance of 15), 3.75 × [Plutonium 240](https://factorio.kalzumeus.com/item/pu-240.md) (25% chance of 15), 2.25 × [Plutonium 241](https://factorio.kalzumeus.com/item/pu-241.md) (15% chance of 15), 7.5 × [Plutonium 242](https://factorio.kalzumeus.com/item/pu-242.md) (50% chance of 15)
- Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04
- Unlocked by: [Nuclear research](https://factorio.kalzumeus.com/tech/uranium-processing.md)

### Plutonium 239 (`am-243-transmutation`)

- 10 s · tier 7
- Ingredients: 10 × [Americium 243](https://factorio.kalzumeus.com/item/am-243.md)
- Results: 8 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md), 10 × [Helium](https://factorio.kalzumeus.com/fluid/helium.md)
- Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04
- Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md)

### Plutonium 239 (`pu-238-transmutation`)

- 5 s · tier 7
- Ingredients: 10 × [Plutonium 238](https://factorio.kalzumeus.com/item/pu-238.md), 20 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md)
- Results: 8 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md)
- Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04
- Unlocked by: [Nuclear Power - Stage 2](https://factorio.kalzumeus.com/tech/nuclear-power-mk02.md)

### Plutonium 239 (`u238-pu239`)

- 0.5 s · tier 9
- Ingredients: 10 × [Uranium 238](https://factorio.kalzumeus.com/item/u-238.md), 20 × [Neutron](https://factorio.kalzumeus.com/fluid/neutron.md) (≤200°C)
- Results: 8.991 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md) (99.9% chance of 9), 0.01 × [Uranium 237](https://factorio.kalzumeus.com/item/u-237.md) (1% chance)
- Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04
- Unlocked by: [Nuclear Power - Stage 3](https://factorio.kalzumeus.com/tech/nuclear-power-mk03.md)

### Neutron capture PU-241, PU-242 → PU-239, PU-240 (`plutonium-shuffle-4`)

- 552.486 s · tier 4
- Ingredients: 35 × [Plutonium peroxide](https://factorio.kalzumeus.com/fluid/plutonium-peroxide.md), 1 × [Plutonium 241](https://factorio.kalzumeus.com/item/pu-241.md), 1 × [Plutonium 242](https://factorio.kalzumeus.com/item/pu-242.md)
- Results: 1 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md), 1 × [Plutonium 240](https://factorio.kalzumeus.com/item/pu-240.md)
- Made in: Neutron absorber MK 01, Neutron absorber MK 02, Neutron absorber MK 03, Neutron absorber MK 04
- Unlocked by: [Nuclear research](https://factorio.kalzumeus.com/tech/uranium-processing.md)

### Neutron capture PU-242, PU-242 → PU-241, PU-239 (`plutonium-shuffle-3`)

- 281.69 s · tier 4
- Ingredients: 35 × [Plutonium peroxide](https://factorio.kalzumeus.com/fluid/plutonium-peroxide.md), 2 × [Plutonium 242](https://factorio.kalzumeus.com/item/pu-242.md)
- Results: 1 × [Plutonium 241](https://factorio.kalzumeus.com/item/pu-241.md), 1 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md)
- Made in: Neutron absorber MK 01, Neutron absorber MK 02, Neutron absorber MK 03, Neutron absorber MK 04
- Unlocked by: [Nuclear research](https://factorio.kalzumeus.com/tech/uranium-processing.md)

### Plutonium 242 (`plutonium-seperation-2`)

- 5 s · tier 6
- Ingredients: 50 × [MOX Plutonium Oxide](https://factorio.kalzumeus.com/item/plutonium-oxide-mox.md)
- Results: 60 × [Plutonium 238](https://factorio.kalzumeus.com/item/pu-238.md) (40% chance of 150), 10 × [Plutonium 239](https://factorio.kalzumeus.com/item/pu-239.md) (20% chance of 50), 75 × [Plutonium 240](https://factorio.kalzumeus.com/item/pu-240.md) (50% chance of 150), 4 × [Plutonium 241](https://factorio.kalzumeus.com/item/pu-241.md) (5% chance of 80), 90 × [Plutonium 242](https://factorio.kalzumeus.com/item/pu-242.md) (60% chance of 150)
- Made in: Particle accelerator MK 01, Particle accelerator MK 02, Particle accelerator MK 03, Particle accelerator MK 04
- Unlocked by: [Nuclear power](https://factorio.kalzumeus.com/tech/nuclear-power.md)

## Used in (8 recipes)

- Fuel rod MK 01 (`fuelrod-mk01-1`, tier 4) → [Fuel rod MK 01](https://factorio.kalzumeus.com/item/fuelrod-mk01.md)
- Mox fuel cell (`plutonium-fuel-cell`, tier 4) → [Mox fuel cell](https://factorio.kalzumeus.com/item/mox-fuel-cell.md)
- Neutron capture PU-239, PU-240 → PU-238, PU-242 (`plutonium-shuffle-2`, tier 4) → [Plutonium 242](https://factorio.kalzumeus.com/item/pu-242.md)
- Neutron capture PU-239, PU-241 → PU-240, PU-242 (`plutonium-shuffle-1`, tier 4) → [Plutonium 240](https://factorio.kalzumeus.com/item/pu-240.md)
- Atomic bomb (`atomic-bomb`, tier 6) → [Atomic bomb](https://factorio.kalzumeus.com/item/atomic-bomb.md)
- Plutonium dioxide (`pu239-uf6`, tier 6) → [Plutonium dioxide](https://factorio.kalzumeus.com/fluid/puo2.md)
- Plutonium 240 (`pu-239-transmutation`, tier 7) → [Plutonium 240](https://factorio.kalzumeus.com/item/pu-240.md)
- Zungror (`zungror-raising-1-with-funny-rock`, tier ?) → [Zungror](https://factorio.kalzumeus.com/item/zungror.md)