| Topics |
Experiment name
|
Food chemistry
|
|
|
Manual titration of citric acid with Cobra3 BASIC unit |
|
Manual titration of citric acid with Cobra3 CHEM unit |
|
Automatic titration of household vinegar with Cobra3 BASIC unit |
|
Automatic titration of household vinegar with Cobra3 CHEM unit |
|
Determination of phosphoric acid content of a carbonated soft drink with Cobra3 BASIC unit |
|
Determination of phosphoric acid content of a carbonated soft drink with Cobra3 CHEM unit |
|
pH and acid value of coffee with Cobra3 BASIC unit |
|
pH and acid value of coffee with Cobra3 CHEM unit |
|
Determination of fruit acid content in juices and wines with Cobra3 BASIC unit |
|
Determination of fruit acid content in juices and wines with Cobra3 CHEM unit |
|
Titration curves of fresh milk and curdled milk with Cobra3 BASIC unit |
|
Titration curves of fresh milk and curdled milk with Cobra3 CHEM unit |
|
Changes in the pH of milk as it ages (curdling) with Cobra3 BASIC unit |
|
Changes in the pH of milk as it ages (curdling) with Cobra3 CHEM unit |
|
Buffering properties of food with Cobra3 BASIC unit |
|
Buffering properties of food with Cobra3 CHEM unit |
|
Determination of the calcium carbonate content of egg shells with Cobra3 BASIC unit |
|
Determination of the calcium carbonate content of egg shells with Cobra3 CHEM unit |
|
Determination of the sodium chloride content in meat broth with Cobra3 BASIC unit |
|
Determination of the sodium chloride content in meat broth with Cobra3 CHEM unit |
|
Chloride content in mineral waters with Cobra3 BASIC unit |
|
Chloride content in mineral waters with Cobra3 CHEM unit |
| Electrochemistry |
|
|
Electrolysis of copper sulphate solutions
|
|
The standard electrode potential of metals
|
|
Voltage of a concentration cell
|
|
*Charge transport in solids |
|
*Charge transport in liquids with Cobra3 BASIC unit |
|
*Charge transport in liquids with Cobra3 CHEM unit |
|
*Temperature dependence of conductivity with Cobra3 BASIC unit |
|
*Temperature dependence of conductivity with Cobra3 CHEM unit |
|
*Conductivity of strong and weak electrolytes |
|
*Conductivity of strong and weak electrolytes |
|
*Conductivity titration with Cobtra3 CHEM unit |
|
*Potentiometric titration with Cobra3 BASIC unit |
|
*Potentiometric titration with Cobra3 CHEM unit |
|
*Precipitation titration with Cobra3 BASIC unit |
|
*Precipitation titration with Cobra3 CHEM unit |
|
*Titration curves and buffering capacity with Cobra3 BASIC unit |
|
*Titration curves and buffering capacity with Cobra3 CHEM unit |
|
*Potentiometric pH titration (phosphoric acid in soft drinks) with Cobra3 CHEM unit |
|
*Electrode kinetics: The hydrogen overpotential of metals |
Caloric properties
|
|
|
*Heat capacity of gases |
|
*Determination of the enthalpy of vaporisation of liquids |
|
*Determination of the mixing enthalpy of binary fluid mixtures |
|
*Determination of the hydration enthalpy of an electrolyte (solution enthalpy) |
|
*Determination of the enthalpy of neutralisation |
|
*Determination of the melting enthalpy of a pure substance |
| Chemical kinetics |
|
|
*Electrode kinetics: The hydrogen overpotential of metals |
|
*Conductometric measurement of the saponification of esters with Cobra3 BASIC unit |
|
*Conductometric measurement of the saponification of esters with Cobra3 CHEM unit |
|
*Enzyme kinetics: Determination of Michaelis-Menton constant with Cobra3 BASIC unit |
|
*Enzyme kinetics: Determination of Michaelis-Menton constant with Cobra3 CHEM unit |
|
*Inhibition and poisoning of enzymes with Cobra3 BASIC unit |
|
*Inhibition and poisoning of enzymes with Cobra3 CHEM unit |
Chemical equilibrium
|
|
|
Gas chromatography with Cobra3 CHEM unit |
|
Chromatographic separation procedures: Gas chromatography |
|
*Dissociation equilibrium with Cobra3 CHEM unit |
|
*Melting diagram of a binary mixture with Cobra3 BASIC unit |
|
*Melting diagram of a binary mixture with Cobra3 CHEM unit |
|
*Fractional distillation with a bubble tray column |
|
*Chromatographic separation procedures: Gas chromatography with Cobra3 BASIC unit |
|
*Chromatographic separation procedures: Gas chromatography with Cobra3 CHEM unit |
| Gas laws |
|
|
Volumetric expansion of gases |
|
Gay-Lussac's law with Cobra3 BASIC unit ('Pressure' software) |
|
Charles' law with Cobra3 BASIC unit |
|
Boyle's law with Cobra3 BASIC unit ('Pressure' software) |
|
Gay-Lussac's law with Cobra3 BASIC unit ('Gas laws' software) |
|
Charles' law - Variant A with Cobra3 BASIC unit |
|
Charles' law - Variant B with Cobra3 BASIC unit |
|
*Gay-Lussac's law with Cobra3 BASIC unit |
|
*Charles' law with Cobra3 BASIC unit |
|
*Boyle's law with Cobra3 BASIC unit |
| Biochemistry |
|
|
Determination of the isoelectric point of an amino acid (glycine) with Cobra3 BASIC unit |
|
Determination of the isoelectric point of an amino acid (glycine) with Cobra3 CHEM unit |
|
Ion permeability of the cell membrane with Cobra3 BASIC unit |
|
Ion permeability of the cell membrane with Cobra3 CHEM unit |
|
Determination of the Michaelis constant with Cobra3 BASIC unit |
|
Determination of the Michaelis constant with Cobra3 CHEM unit |
|
Substrate inhibition of enzymes with Cobra3 BASIC unit |
|
Substrate inhibition of enzymes with Cobra3 CHEM unit |
|
Enzyme inhibition (poisoning of enzymes) with Cobra3 BASIC unit |
|
Enzyme inhibition (poisoning of enzymes) with Cobra3 CHEM unit |
|
*Determination of the isoelectric point of an amino acid (glycine) with Cobra3 BASIC unit |
|
*Determination of the isoelectric point of an amino acid (glycine) with Cobra3 CHEM unit |
|
*The ionic permeability of a cell membrane with Cobra3 BASIC unit |
|
*The ionic permeability of a cell membrane with Cobra3 CHEM unit |
|
*Determination of the Michaelis constant with Cobra3 BASIC unit |
|
*Determination of the Michaelis constant with Cobra3 CHEM unit |
|
*Substrate inhibition of enzymes with Cobra3 BASIC unit |
|
*Substrate inhibition of enzymes with Cobra3 CHEM unit |
|
*Enzyme inhibition (poisoning of enzymes) with Cobra3 BASIC unit |
|
*Enzyme inhibition (poisoning of enzymes) with Cobra3 CHEM unit |
|
*The enzymatic activity of catalase with Cobra3 BASIC unit |
