Quality Assurance

External Standards

use objectives

Specifications

selectivity / specificity

sensitivity

false positive

false negative

method blank

reagent blank

field blank

matrix

spike / fortification

calibration check

performance test samples / quality control samples / blind samples

standard operating procedures

assessment

control chart

method validation

linearity

repeatability

reproducibility

precision

range

linear range

dynamic range

detection limit

coefficient of variation

lower limit of quantitation

reporting limit

robustness

standard addition

matrix effect

standard uncertainty