kobus
That would be a good beginning for chemicals, my list could fill two pages, but is best to wait until you are sure what you will need, and what and where to get them, depending on what process you will be using, some of the chemicals I use I make from the other chemicals I have on hand.
What bothers me about your list is I see nothing there that would let you deal with waste, or help in a cleanup when things go south, or for your safety.
Here is a short list of some of the ones I would begin with, but only buy something when you have a use for it, most of these can be found locally at hardwaer stores pool supplys stores or grocery stores, some I order online, some I drive 250 miles to get, my full list would be a lot longer, and your list will grow as you do different processes.
Sodium hydroxide, NaOH, Lye, caustic soda, (I like prills).
Baking soda, NaHCO3
Borax, Na2B4O7-10H2O, twenty mule team laundry soap, sodium tetraborate decahydrate
Bon Ami, glass cleaner soap
Potassium dichromate K2Cr2O7 (to make silver testing solution)
Sodium Hypochlorite NaClO (house hold bleach)
Ferrous sulfate FeSO4, copperas (can make with iron transformer laminates and 10% H2SO4).
Dimethylgloxime, DMG (palladium test solution)
Sodium Bisulfite NaHSO3 (pool chemical)
Sulfuric acid H2SO4 (32% battery acid from auto parts can be diluted or concentrated)
(98% H2SO4 drain cleaner caution if diluting always pour acid into water never pour water into acid)!
Sodium metabisulfite SMB Na2S2O5 (wine bottle sterilizer)
Calcium Oxide CaO, Lime
Saline solution (eye wash)
Tin Sn (95% tin solder) (to make stannous chloride SnCl2 gold testing solution)
Sulfamic Acid H3NSO3 (sulfamic acid grout cleaner home depot) Used to De-NOx Aqua regia, much safer than urea and less problem of byproducts.
Urea use it to make your grass green forget about using it in recovery or refining.
In my opinion there is no need for Urea, it can be dangerous, and if you learn to refine using the methods taught on the forum you would be wasting your money on fertilizer, you also probably would be loosing gold from not knowing the proper methods or guessing when you had enough urea in solution.
Hydrochloric acid, HCl acid, Muriatic acid 32%
Nitric acid 70% HNO3.
Ammonium hydroxide NH4OH (3% household ammonia and water) caution it can make explosive compound if used improperly.
Zinc, copper, pure iron....
Sodium nitrate NaNO3 (pure or fertilizer used to make HNO3 sometimes in flux)
Potassium nitrate KNO3, (pure or fertilizer)
The list goes on and on…
study the safety and dealing the waste, understand the processes and how to perform them properly, before you begin playing chemist and mixing dangerous chemical, this way you will not hurt yourself or others.
When an accident in the lab happens and your eyballs are burning out of your scull is no time to go and try to find a book and find out what your supposed to do, or when lying in the hospital is not a good time to read and learn what you did wrong, and how you should have done it.