detection limit
for a given analytical procedure, concentration or quantity derived from the smallest measure that can be detected with reasonable certainty
en-GB/dɪˈtɛkʃn ˈlɪmɪt/
en-US/dɪˈtɛkʃən ˈlɪmət/
for a given analytical procedure, concentration or quantity derived from the smallest measure that can be detected with reasonable certainty