Principle
Chinine is the main alkaloid of the bark of the Chinabaum. It has a typical, bitter taste and is hardly soluble in water, but soluble in alcohol, ether and chloroform
In this experiment, chinine is extracted from tonic water with an organic solvent and detected by its fluorescence ...
This experiment shows how much the quality of drinking water of various locations in the same region can vary. The comparison of tap water with bottled mineral water and distilled water leads to surprising results.
Benefits
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