# Gadolinium refining (technology) internal name `gadolinium` · tier 6 (pY science pack 3, [tier 6](https://factorio.kalzumeus.com/tier/6.md)) HTML page: https://factorio.kalzumeus.com/tech/gadolinium/ ## Cost 1100 units of (1 × [pY science pack 3](https://factorio.kalzumeus.com/item/py-science-pack-3.md), 2 × [Chemical science pack](https://factorio.kalzumeus.com/item/chemical-science-pack.md), 3 × [pY science pack 2](https://factorio.kalzumeus.com/item/py-science-pack-2.md), 6 × [Logistic science pack](https://factorio.kalzumeus.com/item/logistic-science-pack.md), 10 × [pY science pack 1](https://factorio.kalzumeus.com/item/py-science-pack-1.md), 20 × [Automation science pack](https://factorio.kalzumeus.com/item/automation-science-pack.md)), 180 s each. ## Requires (3) - [Ammonium Oxalate](https://factorio.kalzumeus.com/tech/ammonium-oxalate.md) - [Advanced Rare earth technology](https://factorio.kalzumeus.com/tech/rare-earth-tech-mk02.md) - [Vanadium processing](https://factorio.kalzumeus.com/tech/vanadium-processing-2.md) ## Leads to (1) - [Production science pack](https://factorio.kalzumeus.com/tech/production-science-pack.md) ## Unlocks (8 recipes) ### Crystalized gadolinium (`crystalized-gd`) - 10 s · tier 6 - Ingredients: 50 × [Gadolinium Stripped Solution](https://factorio.kalzumeus.com/fluid/gd-stripped-solution.md), 2 × [Ammonium chloride](https://factorio.kalzumeus.com/item/ammonium-chloride.md) - Results: 1 × [Crystalized gadolinium](https://factorio.kalzumeus.com/item/crystalized-gd.md) - Made in: Centrifuge, Centrifuge MK 01, Centrifuge MK 02, Centrifuge MK 03, Centrifuge MK 04 - Unlocked by: [Gadolinium refining](https://factorio.kalzumeus.com/tech/gadolinium.md) ### Gadolinium crystal (`gd-crystal`) - 5 s · tier 6 · productivity modules allowed - Ingredients: 1 × [Gadolinium oxalate](https://factorio.kalzumeus.com/item/gd-oxalate.md), 3 × [Coke](https://factorio.kalzumeus.com/item/coke.md) - Results: 1 × [Gadolinium crystal](https://factorio.kalzumeus.com/item/gd-crystal.md) - Made in: High pressure furnace MK 01, High pressure furnace MK 02, High pressure furnace MK 03, High pressure furnace MK 04 - Unlocked by: [Gadolinium refining](https://factorio.kalzumeus.com/tech/gadolinium.md) ### Gadolinium metal (`gd-metal`) - 20 s · tier 6 · productivity modules allowed - Ingredients: 1 × [Gadolinium oxide](https://factorio.kalzumeus.com/item/gd-oxide.md), 2 × [Cobalt extract](https://factorio.kalzumeus.com/item/cobalt-extract.md) - Results: 1 × [Gadolinium metal](https://factorio.kalzumeus.com/item/gd-metal.md) - Made in: Basic oxygen furnace MK 01, Basic oxygen furnace MK 02, Basic oxygen furnace MK 03, Basic oxygen furnace MK 04 - Unlocked by: [Gadolinium refining](https://factorio.kalzumeus.com/tech/gadolinium.md) ### Gadolinium mixture (`gd-mixture`) - 5 s · tier 6 · productivity modules allowed - Ingredients: 100 × [Rare earth Pulp 03](https://factorio.kalzumeus.com/fluid/re-pulp-03.md), 100 × [Water](https://factorio.kalzumeus.com/fluid/water.md) - Results: 1 × [Gadolinium mixture](https://factorio.kalzumeus.com/item/gd-mixture.md) - Made in: Rectisol MK 01, Rectisol MK 02, Rectisol MK 03, Rectisol MK 04 - Unlocked by: [Gadolinium refining](https://factorio.kalzumeus.com/tech/gadolinium.md) ### Gadolinium oxalate (`gd-oxalate`) - 5 s · tier 6 · productivity modules allowed - Ingredients: 1 × [Gadolinium mixture](https://factorio.kalzumeus.com/item/gd-mixture.md), 300 × [Water](https://factorio.kalzumeus.com/fluid/water.md), 1 × [Ammonium oxalate](https://factorio.kalzumeus.com/item/ammonium-oxalate.md) - Results: 1 × [Gadolinium oxalate](https://factorio.kalzumeus.com/item/gd-oxalate.md), 100 × [Muddy sludge](https://factorio.kalzumeus.com/fluid/muddy-sludge.md) - Made in: Agitator MK 01, Agitator MK 02, Agitator MK 03, Agitator MK 04 - Unlocked by: [Gadolinium refining](https://factorio.kalzumeus.com/tech/gadolinium.md) ### Gadolinium oxide (`gd-oxide`) - 5 s · tier 6 - Ingredients: 1 × [Impure gadolinium](https://factorio.kalzumeus.com/item/impure-gd.md), 150 × [Aromatics](https://factorio.kalzumeus.com/fluid/aromatics.md), 1 × [Glassware](https://factorio.kalzumeus.com/item/flask.md) - Results: 1 × [Gadolinium oxide](https://factorio.kalzumeus.com/item/gd-oxide.md) - Made in: Washer MK 01, Washer MK 02, Washer MK 03, Washer MK 04 - Unlocked by: [Gadolinium refining](https://factorio.kalzumeus.com/tech/gadolinium.md) ### Gadolinium Stripped Solution (`gd-stripped-solution`) - 5 s · tier 6 · productivity modules allowed - Ingredients: 100 × [Acid strip solution](https://factorio.kalzumeus.com/fluid/acid-strip-solution.md), 2 × [Gadolinium crystal](https://factorio.kalzumeus.com/item/gd-crystal.md) - Results: 50 × [Gadolinium Stripped Solution](https://factorio.kalzumeus.com/fluid/gd-stripped-solution.md) - Made in: Chemical plant, Chemical plant MK 01, Chemical plant MK 02, Chemical plant MK 03, Chemical plant MK 04 - Unlocked by: [Gadolinium refining](https://factorio.kalzumeus.com/tech/gadolinium.md) ### Impure gadolinium (`impure-gd`) - 5 s · tier 6 - Ingredients: 1 × [Crystalized gadolinium](https://factorio.kalzumeus.com/item/crystalized-gd.md) - Results: 1 × [Impure gadolinium](https://factorio.kalzumeus.com/item/impure-gd.md) - Made in: Ionic upgrader MK 01, Ionic upgrader MK 02, Ionic upgrader MK 03, Ionic upgrader MK 04 - Unlocked by: [Gadolinium refining](https://factorio.kalzumeus.com/tech/gadolinium.md)