Test confirming the migration of ions by means of indicatorpaper

Article no. P7402400 | Type: Experiments

10 Minutes

10 Minutes

grades 7-10 , grades 10-13

easy

Pupils

Principle

Strips of indicator paper soaked in potassium nitrate solution are spanned between two copper electrodes inside a ribbed trough. A drop of hydrochloric acid or sodium hydroxide is dripped onto the middle of these strips. When a voltage is applied, it can be seen how the ions migrate along the paper.

Device name

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(de) Versuchsbeschreibung

p7402400_de .pdf

File size 2.19 Mb

pdf

(en) Versuchsbeschreibung

p7402400_en .pdf

File size 2.13 Mb

pdf

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