SC25 Flashcards
1
Q
How do you carry out a flame test?
A
1) Light a bunsen burner(hot blue flame)
2) use platinum wire loop and clean in HCL
3)Pick up sample with wire loop and hold to edge of flame
2
Q
What colour does potassium turn in a flame test?
A
Lilac
3
Q
What colour does copper turn in a flame test?
A
Blue-green
4
Q
What colour does lithium turn in a flame test?
A
red
5
Q
What colour does sodium turn in a flame test?
A
yellow
6
Q
What colour does calcium turn in a flame test?
A
orange- red
7
Q
What can flame photometry do that flame tests cant/
A
Can detect sensitivity
more accurate
quicker
