7. Match the terms on the left with the definitions on the right by writing the

Question

7. Match the terms on the left with the definitions on the right by writing the corresponding letter in the appropriate box. Some terms may be used more than once or not at all. A. linear range B. dynamic range C. accuracy D. precision E. specificity F. sensitivity G. linearity How well replicate measurements agree with each other The ability to distinguish analyte from all other sample components. Concentration range over which an increase in concentration results in an increase in the measured response. Indicated by the slope of the calibration curve.

Explanation / Answer

Ans:

F:Sensitivity,Indicated by the slope of the calibration curve

D:Percision,how well replicate measurements agree with each other

A,B:Concentration range over which an increase in concentration results in increase in the measured response

Linear range:analyte concentration interval over which the analytical signal is proportional to analyte

concentration.

Dynamic Range:concentration range over which there is a measurable (nonzero) response to analyte, even if it is not linear.

Selectivity:the ability to distinguish analyte from other species in the sample also called specificity avoid interference

Sensitivity:capability of responding reliably and measurably to changes in analyte concentration
=slope of calibration curve
=change in signal/change in analyte concentration

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