39. autosampler Part of an instrument (often high-performance [or pressure] liquid chromatography [HPLC]) allowing the injection of samples in a reproducible and unattended manner. Has also been implemented with many newer immunoassay and flow instruments.
40. autosampler stability Stability of the analyte in the processed sample under the conditions in the autosampler.
41. back-calculation Process of calculating the concentrations of calibration standards according to a line best-fitted to the calibration standard responses against their nominal concentrations.
42. balance A device used in a bioanalytical laboratory to weigh out solid and liquid materials, such as reference and internal standards or buffer components.
