# Impure Erbium Oxide

Pyanodons item · internal name `impure-er-oxide` · stack size 100 · first craftable in tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md))
HTML page: https://factorio.kalzumeus.com/item/impure-er-oxide/

## Produced by (1 recipes)

### Impure Erbium Oxide (`impure-er-oxide`)

- 5 s · tier 6
- Ingredients: 5 × [Copper plate](https://factorio.kalzumeus.com/item/copper-plate.md), 1 × [Erbium Oxalate](https://factorio.kalzumeus.com/item/er-oxalate.md), 1 × [Cyanoacetate](https://factorio.kalzumeus.com/item/cyanoacetate.md)
- Results: 1 × [Impure Erbium Oxide](https://factorio.kalzumeus.com/item/impure-er-oxide.md)
- Made in: Ionic upgrader MK 01, Ionic upgrader MK 02, Ionic upgrader MK 03, Ionic upgrader MK 04
- Unlocked by: [Erbium Processing](https://factorio.kalzumeus.com/tech/erbium.md)

## Used in (1 recipes)

- Erbium Oxide (`er-oxide`, tier 6) → [Erbium Oxide](https://factorio.kalzumeus.com/item/er-oxide.md)