Safety
Sodium hydroxide is corrosive at high concentrations and precautions should be taken as such not to come into direct contact with it. Copper(II) sulfate is also toxic if ingested.
Read more about this topic: Fehling's Solution
Famous quotes containing the word safety:
“He had a gentleman-like frankness in his behaviour, and as a great point of honour as a minister can have, especially a minister at the head of the treasury, where numberless sturdy and insatiable beggars of condition apply, who cannot all be gratified, nor all with safety be refused.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)
“There is always safety in valor.”
—Ralph Waldo Emerson (1803–1882)
“Perhaps having built a barricade when you’re sixteen provides you with a sort of safety rail. If you’ve once taken part in building one, even inadvertently, doesn’t its usually latent image reappear like a warning signal whenever you’re tempted to join the police, or support any manifestation of Law and Order?”
—Jean Genet (1910–1986)