Interface pour Ordinateur Cobra4

 
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Water quality - contamination avec heavy métals

Principle

Heavy-metal ions may be carried into surface or ground water from mining fields or via the waste water of galvanic or similar production sites. They block the effect of enzymes so that the processes in the metabolism of the organisms that are controlled by these enzymes may ...

 
Détails

Numéro d´article: P0990162

Courbes de fusion et de solidification dethiosulfate de so- dium

Benefits
  • Especially understandable and didactic prepared experiment descriptions including protocol

  • Future-proof lessons: Integration of tablets in digital science lessons

  • Enhanced motivation of students due to the use of the intuitive measureAPP

  • Increase of media ...

    ...
 
Détails

Numéro d´article: P1044668

Melting and freezing of sodium thiosulphate with SMARTsensesodium thiosulphate

 
Détails

Numéro d´article: P1044669

électrolysis

Principle

The characteristic curve of current against voltage of an electrolytic bath containing copper sulphate solution and having copper electrodes is measured. Visible changes in the electrodes and the bath are observed.

Benefits

  • Flexible experimenting thanks to wireless data ...
 
Détails

Numéro d´article: P1375160

électrolysis

 
Détails

Numéro d´article: P1375168

électrolysis

 
Détails

Numéro d´article: P1375169

Vérification de notre eau potable avec Cobra4

Principle

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

  • Experiment is part of an experiment set with ...
 
Détails

Numéro d´article: P1520062

Vérification de notre eau potable avec SMARTsense

 
Détails

Numéro d´article: P1520069

Détermination de l'enthalpie de mélange de systèmes binairesde liquides avec Cobra4

Principle

When two miscible liquids are mixed, a positive or negative heat effect occurs, which is caused by the interactions between the molecules. This heat effect is dependent on the mixing ratio. The integral mixing enthalpy and the differential molar mixing enthalpy can be determined ...

...

 
Détails

Numéro d´article: P3020661

Titration potentiométrique (cérimétrie) avec Cobra4

Principle

Potassium permanganate solutions which are used as oxidizing measuring solutions in redox titrations can in most cases be replaced by Ce(IV) solutions. These offer the advantages that they do not change on storage and that the course of the redox titration can be very ...

 
Détails

Numéro d´article: P3121060

X-ray expert unit

This product is a world first

PHYWE présente la nouvelle unité de rayons x: une technologie novatrice, haut de la page sécurité, un confort maximum !

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