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Principle
Not only flowers of plants but also their fruits and leaves are dyed due to pigments. In this experiment, the different pigments of flowers and leaves are investigated. This experiment is performed with a colorimeter. This device sends light of a certain wavelength through a solution and measures by how much the intensity has decreased after passing through the solution.
Benefits
- Especially understandable and didactically prepared description of the experiment (reference to everyday life etc.) including protocol questions
- Compact, easily transportable experimental set-up
- Suitable for demo experiments and lab course experiments
- Flexible test setup thanks to wireless data transmission
Tasks
- Extraction of various plant dyes and measurement of their absorption with a colorimeter
- Extraction of dyes from different plants
Learning Objectives
- Diversity of plant pigments
- Detection with a colorimeter
Device name
Article no.
Quantity
Article no. 12924-01
1
Name
File name
File size
File type
Digital learning
(de) Versuchsbeschreibung
p4100969_de .pdf
File size 2.73 Mb
pdf
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(en) Versuchsbeschreibung
p4100969_en .pdf
File size 2.70 Mb
pdf
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(fr) Versuchsbeschreibung
p4100969_fr .pdf
File size 2.71 Mb
pdf
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(ru) Versuchsbeschreibung
p4100969_ru .pdf
File size 2.80 Mb
pdf
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Analysis of plant pigments with Cobra SMARTsense
- .H5P
File size -
.H5P
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