Discussion
How does characteristic concentration differ from detection limit?
Answer: B
Characteristic concentration measures how much signal a given concentration produces, while the detection limit also depends on how noisy that signal is. Two instruments with identical sensitivity can have quite different detection limits if one is noisier. Both apply to flame work, and the furnace equivalent is quoted as a characteristic mass. Separating sensitivity from noise is what lets an improvement be attributed to the right part of the instrument.
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