# Nitrogen - Stage 3 (technology)

internal name `nitrogen-mk03` · tier 7 (Production science pack, [tier 7](https://factorio.kalzumeus.com/tier/7.md))
HTML page: https://factorio.kalzumeus.com/tech/nitrogen-mk03/

## Cost

1200 units of (1 × [Production science pack](https://factorio.kalzumeus.com/item/production-science-pack.md), 2 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 3 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 6 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 10 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 20 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 30 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md), 6 × [Military science pack](https://factorio.kalzumeus.com/item/military-science-pack.md)), 300 s each.

## Requires (1)

- [Production science pack](https://factorio.kalzumeus.com/tech/production-science-pack.md)

## Leads to (0)

- none

## Unlocks (1 recipes)

### Nitrogen (`nitrogen-pyfe`)

- 150 s · tier 7
- Ingredients: 40 × [Cold clean air](https://factorio.kalzumeus.com/fluid/cold-clean-air.md), 1 × [Activated carbon](https://factorio.kalzumeus.com/item/active-carbon.md)
- Results: 8000 × [Nitrogen](https://factorio.kalzumeus.com/fluid/nitrogen.md), 150 × [Carbon dioxide](https://factorio.kalzumeus.com/fluid/carbon-dioxide.md)
- Made in: Wet scrubber MK 01, Wet scrubber MK 02, Wet scrubber MK 03, Wet scrubber MK 04
- Unlocked by: [Nitrogen - Stage 3](https://factorio.kalzumeus.com/tech/nitrogen-mk03.md)