{"tema_id":"1268","string":"noise           #01053","created":"2022-12-19 09:13:36","code":null,"notes":[{"@type":"Cataloger's note","@lang":"en-EN","@value":"reference: R082:2006 3.9 "},{"@type":"Cataloger's note","@lang":"en-EN","@value":"ID: 01053 "},{"@type":"Definition note","@lang":"en-EN","@value":"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 "}]}