Chemistry_pigments violet cabbage 4t ESO
5
NATURAL PIGMENTS: “VIOLET” GRUP 5 Jaume Adell, Hamza Bouderaa,
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Transcript of Chemistry_pigments violet cabbage 4t ESO
![Page 1: Chemistry_pigments violet cabbage 4t ESO](https://reader035.fdocuments.net/reader035/viewer/2022062522/589fa8381a28abc04e8b65d5/html5/thumbnails/1.jpg)
NATURAL PIGMENTS: “VIOLET”
GRUP 5Jaume Adell, Hamza Bouderaa,
![Page 2: Chemistry_pigments violet cabbage 4t ESO](https://reader035.fdocuments.net/reader035/viewer/2022062522/589fa8381a28abc04e8b65d5/html5/thumbnails/2.jpg)
PROCEDURE-We cut the Red cabbage
![Page 3: Chemistry_pigments violet cabbage 4t ESO](https://reader035.fdocuments.net/reader035/viewer/2022062522/589fa8381a28abc04e8b65d5/html5/thumbnails/3.jpg)
Extraction-We extracted the pigment of the Red Cabbage by boiling it in water-We separated the violet pigment by filtration
![Page 4: Chemistry_pigments violet cabbage 4t ESO](https://reader035.fdocuments.net/reader035/viewer/2022062522/589fa8381a28abc04e8b65d5/html5/thumbnails/4.jpg)
RESULTThe pigment has this chemical formula
Pigment
Dilluted with water
![Page 5: Chemistry_pigments violet cabbage 4t ESO](https://reader035.fdocuments.net/reader035/viewer/2022062522/589fa8381a28abc04e8b65d5/html5/thumbnails/5.jpg)
SPECTRUMIn the graph we can see the absorbtion in the violet and green and no absorption for red and blue which gives the colour to the pigment