reference: R082:2006 3.9

ID: 01053

Manifestation of variation in the gas chromatograph output signal not associated with changes in chromatographic conditions (e.g. temperature gradient), which can be divided into two components: 3.9.1 Short-term noise, which includes all observable random variations of the signal from the detector or other components having a frequency of the order of one or more cycles per minute. 3.9.2 Drift, i.e. the average slope of the baseline signal measured over a minimum of half an hour