chemistry_pigments preparation_exhibition school main hall poster
TRANSCRIPT
![Page 1: Chemistry_pigments preparation_exhibition school main hall poster](https://reader036.vdocuments.net/reader036/viewer/2022081823/589fa8381a28abc04e8b65df/html5/thumbnails/1.jpg)
Pigments SynthesesFísica i Química 4t ESO
Science 3r ESO
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Natural Pigments - RED
BEETROOT BETANIN
Cooked in water
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Natural Pigments - GREEN
PARSLEY CHLOROPHYL A
Extracted in alcohol
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Natural Pigments - ORANGE
CARROTS
BETA CAROTENE
Extracted in alcohol
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Inorganic Pigments - BLUE
Cu SO4 + Na2 CO3
Cu CO3 · Cu (OH)2
sopper sulfate
sodium carbonate
basic copper carbonate
MALACHITE
Uses: pigments, algaecide in farm ponds and in aquaculture operations, …
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zinc cromate
potassium cromate
zinc chloride
Inorganic Pigments - YELLOW
K2 CrO4 + Zn Cl2
Zn CrO4
Uses: paint coating planes and cars, spray paints, pigments in varnishes, …
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Inorganic Pigments - WHITE
barium sulfate
sodium sulfate
barium chloride
Na2 SO4 + Ba Cl2
Ba SO4
Uses: drilling fluids, paper brightener, pigment, plastics filler, …