Flame tests Flashcards
1
Q
What test is used for identifying metal ions?
A
Flame tests
2
Q
How do you do a flame test?
A
1) Soak a splint (or wire loop) in the solution which is being tested
2) Hold the splint (or wire loop) into the edge of a blue flame created by a Bunsen burner
3) Observe colour the flame turns into, as this denotes which metal ion is present
4) Record results into a table
3
Q
What colour does Potassium [K]+ go?
A
Lilac
4
Q
What colour does Calcium [Ca]2+ go? (for kidney stones)
A
Orange
5
Q
What colour does Sodium [Na]+ go?
A
Yellow
6
Q
What colour does lithium go?
A
red
7
Q
What colour does barium go?
A
Green
8
Q
What colour does struvite (because its made up of magnesium) go?
A
silvery white
9
Q
What is struvite made up of?
A
magnesium
