Discussion
Match each atomiser with its characteristic sample requirement.
List I
A. Flame
B. Graphite furnace
C. Cold vapour
List II
P. Millilitres of solution aspirated continuously
Q. A few microlitres placed in the tube
R. The analyte reduced and swept as a vapour
Select the correct match.
Answer: A
The pairing is A-P, B-Q, C-R. Each atomiser demands the sample in a different form and quantity, and that requirement often decides the choice before sensitivity is even considered - a scarce sample rules out the flame whatever its detection limit. Matching the atomiser to what is available, as well as to what must be measured, is the practical first question.
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