Scheele's Green
Who created Scheele's green and in what year
Carl Scheele in the 1770's
Why was lead used in paints?
Lead enhanced the brightness and durability of the paint
What toxic compound is in Prussian Blue?
Cyanide
Other than Scheele's green being a nice colour, what other reason did people want it in their home?
It was a good pesticide for insects.
How long do the toxic particles of VOC's last in the air?
Up to a year
What was in the potash that caused the process of making cochineal red, blue?
Dried cattle blood
Name at least four different things Scheele's green was used for
paintings / silk / paper decorations / cake decorations / fabrics / candy wrappers / wallpaper
Why did people put mercury in paint?
It was a good fungicide and mildewcide for the paints.
What product was made when iron, potash and iron sulfate reacted together?
Iron ferrocyanide
Fe₃+ 4[Fe²⁺(CN)₆]₃
When exposed to high doses of arsenic, how did people die?
Fluid loss and shock/cardiac arrest
How do people contract VOC’s?
Inhalation of the particles released into the air after the paint dries.
What process does prussian blue need to do to turn blue?
Oxidize