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Chemistry_pigments orange carrot 4t ESO
7
NATURAL PIGMENTS ORANGE Cora Verge, Núria Querol, Salma Amghar i Paula Forcadell 4rt Física i Química
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Transcript of Chemistry_pigments orange carrot 4t ESO
NATURAL PIGMENTSORANGE
Cora Verge, Núria Querol, Salma Amghar i Paula Forcadell4rt Física i Química
Elements we need
• Carrots• Sand• Mortar• Alcohol
How to make it?
- We put the carrots in a mortar.- When we have it, we have to crush the
carrots.- For make it easier, we put sand.
How to make it?
- After all, we have to put the carrots into the alcohol and leave it all the night.
- When we have the colour, we filter the rest of the carrot for having only the pigment.
Result
• This pigment contains the chemical compound Beta Carotene.
Result
ORANGE
Spectrum
As we can see there is a lot of absorbance in the colour blue and less in the colours red, orange and yellow. This makes the colour orange.