The Limit of Detection

Multiple Choice

The limit of detection:
1) is the minimum concentration of analyte whose presence can be qualitatively detected under defined conditions.
2) is the concentration at which an observed value will be very likely to exceed the limit of the blank.
3) is the highest value of a zero sample.
4) is the minimum concentration of analyte whose presence can be quantifiably measured reliably under defined conditions.

A) 1, 2
B) 2, 3
C) 3, 4
D) 1, 3, 4