Arsenic

arsenic · item · stack 100 · first available in tier 7: Production science pack

Produced by 1

Arsenic ⏱ 20s · tier 7

10 Iron ore 10 Copper ore 20 Rich clay 10 Lead ore 10 Antimony ore

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1 Arsenic 5 Iron oxide

Made in: Smelter MK 01 Smelter MK 02 Smelter MK 03 Smelter MK 04Unlocked by: Large scale integrated circuits

Used in 2

Gallium arsenide ⏱ 20s · tier 7 · prod ✓

1 Arsenic 3 Rare earth oxides 200 Vacuum

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1 Gallium arsenide

Made in: Nanomaterial factory MK 01 Nanomaterial factory MK 02 Nanomaterial factory MK 03 Nanomaterial factory MK 04Unlocked by: Large scale integrated circuits

Lightly n-doped silicon ⏱ 5s · tier 7 · prod ✓

5 Silicon wafer 1 Arsenic 30 Phosphine gas 20 Etching solution

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20 Lightly n-doped silicon

Made in: Gas processing unit MK 01 Gas processing unit MK 02 Gas processing unit MK 03 Gas processing unit MK 04Unlocked by: Electronics - Stage 4