Detection reaction for unsaturated fats (2)
Image
Photo:
Addition of iodine/potassium iodide solution: Exactly two drops are added to each test tube.
Type of media:
Image (117.4 kByte)
Last update:
2017-07-11
License:
This medium is made available under a CC BY-SA 4.0 international license.
What does this mean?
How to reference this medium
This medium is made available under a CC BY-SA 4.0 international license.
What does this mean?
How to reference this medium
Description:
The big advantage of using a commercially available, ready-to-use solution from a pharmacy or a laboratory supply company for the iodine/potassium iodide solution is the consistent composition. Self-prepared I2/KI solutions vary in their concentration. The iodine contained in the added solution is taken up by unsaturated fats. This will play an important role later when starch powder that is at least partially water-soluble is added.
Related media:
Detection reaction for unsaturated fats (Interactive)
Detection reaction for unsaturated fats (1) (Image)
Detection reaction for unsaturated fats (3) (Image)
Detection reaction for unsaturated fats (4) (Image)
Detection reaction for unsaturated fats (5) (Image)
Detection reaction for unsaturated fats (6) (Image)
Detection reaction for unsaturated fats (7) (Image)
Detection reaction for unsaturated fats (1) (Image)
Detection reaction for unsaturated fats (3) (Image)
Detection reaction for unsaturated fats (4) (Image)
Detection reaction for unsaturated fats (5) (Image)
Detection reaction for unsaturated fats (6) (Image)
Detection reaction for unsaturated fats (7) (Image)
Learning resource type:
Experiment; Illustration
Subjects:
Chemistry
Grade levels:
Grade 7 to 9
School types:
Middle/high school
Keywords:
Chemical compound; Chemical reaction; Fats
Bibliography:
Siemens Stiftung Media Portal
Author:
Christian Herdt
Rights holder:
© Christian Herdt/Siemens Stiftung 2016