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 Equipment name 

Sources

Suggestions for use

Notes

Adhesive putty
  • Supermarkets
   

Alum

[Aluminium potassium sulfate, AlK(SO4)2]

  • Pharmacists
  • Scientific suppliers
  • Crystal growing
Poisonous in large quantities
Aluminium foil
 [Al]
  • Supermarkets
  • Covering containers
  • Electricity
 

Ammonia solution
[NH3 (aqueous)]

(cloudy ammonia)

  • Supermarkets
  • Scientific suppliers
  • An alkaline (base) solution
  • Gas diffusion

Poison – irritating gas.

Do not mix with bleach because chlorine gas is produced (refer to Safety and Science, pages 46–47).


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