Description :
The set offers a sampling of 9 soluble compounds containing metal ions. It allows to study some properties of metal ions: by observing the color of crystals, solutions and precipitates. These observations will subsequently be used to identify these ions. The cations used are: Cu2+ ; Co2+ ; Or2+; Fe2+ , Fe3+ ; Mn2+ ; Cr3+ ; Zn2+. As well as 50 g of caustic soda.
Characteristics :
Quantity: about 20 g of each salt (200 tests).
Recommended environment:
- 12 test tubes and a rack.
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