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Chemistry Laboratory

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SL Chemlab.png
Size 19x19
Where Compound


This building becomes available after you have learned the Basic Chemistry tech.


Built in a Compound. Uses 19x19 cells.


Tech required: Advanced Chemistry 2

Level 1

"Upgrade this bench to allow advanced reactions"

Level 2

This upgrade is only visible if you have an Essential Macerator in your inventory

"Upgrade this bench to allow essence creation"

Alcohol Lamp

The Alcohol Lamp must first be assembled using the Skills->Assembly menu. It requires:


Install one each of the following:

Chemistry Labs require a level 1 upgrade to be able to install glassware.

Glassware of specific quality will allow for the lab to be calibrated. Calibrated labs give increased powdered gem yield, increased litmus strip solution, and require fewer essences per essential compound.

Calibration level 2 requires the glassware to have an average quality exactly divisible by 100 (rounded down), and an average quality above 7000.

For calibration level 3 the average quality of the glassware must be exactly 8000 or 9000, rounded down. (The sum of the glassware quality must be between 40000 and 40004, or 45000 and 45004)

Additional Information

You will not get any upgrade stuff back when you salvage an upgraded Chem Lab at salvage level 7.



Product Qty Made Recipe Upgrades Reqd Timer
Arsenic 1 1 Set's Compound Extract, 100 Lead Ore, 1 Acid None None
Gunpowder 10 1 Charcoal, 1 Sulfur, 10 Saltpeter None Constitution: 12 sec
Ink 20 5 Salts of Iron, 5 Charcoal, 20 Oil None Constitution: 7 sec
Papyrus Strip 8 1 Papyrus Paper Level 1 None
Gear Oil 6 100 Oil, 50 Petroleum, 5 Compound Extract (Maat, Set, or Osiris) Level 1 + Glassware None
Potash Ointment 6 50 Water in Jugs, 25 Acid, 5 Compound Extract (Geb, Maat, or Set) Level 1 + Glassware None
Lime Emulsion 6 50 Water in Jugs, 10 Bauxite, 5 Compound Extract (Maat, Set, or Osiris) Level 1 + Glassware None
Acid Extract 6 25 Water in Jugs, 10 Glass Jars, 2 Glass Pipe, 5 Compound Extract (Osiris, Thoth, or Ra) Level 1 + Glassware None
Gem Glue 1 10 Water in Jugs, 25 Gypsum, 10 Mandibular Glue 5 Compound Extract (Set, Osiris or Thoth) Level 1 + Glassware None
Explosives 50 Gunpowder, 10 Aluminum Powder, 2 Compound Extract (Set, Osiris, or Thoth) Level 1 + Glassware Constitution
Essences varies Varies Level 2 + Alcohol Lamp 2 teppyminutes
Essential Compound 1 5 unique Essences Level 2 None
Compound Extract 3 1 Essential Compound with specific properties Level 2 None
Litmus Test 22 drops Powdered Gems and other stuff, see Litmus Test Level 2 Complicated

Powdered Gems

Used for Test of the Ritual Tattoo

You must have the gems in your inventory in order to see the option on the lab.

Powdered gem yield is multiplied by (1 + the precise calibration level of the lab). At calibration 3 (maximum known), yields are multiplied by 4.

Gem Size Quantity Made
Huge 7
Large 4
Medium 2
Small 1
Cuttable 1
Cut Gem (Any Cut) 1