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.

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