in spectroscopy: Data value in a datastream in the absence of any analyte or interference.

The term "background" was found in the following pages:

Instrument database: Agilent Technologies Inc. - 710 Series ICP-OES instruments
Instrument database: Varian Inc. - AA280FS
Journals database: Physica C, Superconductivity and its applications
Instrument database: SII Nano Technology Inc. - SPQ9000se ICP Mass Spectrometer
Instrument database: Perkin-Elmer Corp. - Model 3110
Instrument database: ESA Inc. - 5600A CoulArray
Instrument database: Prince Technologies B.V. - Lambda 1010 UV-VIS Detector
Instrument database: LUMEX Ltd. - Atomic Absorption Spectrometer MGA-1000
Atomic Fluorescence Spectrometry as a Detection System for Speciation Analysis | EVISA's News
Link database: Mercury Policy Project: Mercury Rising - Reducing global emissions from burning mercury-added products
Component database: Meinhard - Glass Products - Meinhard Type C, Quartz, small bore (3 mm) inlet
Directory of scientists: Egon Erwin Rosenberg
Component database: Glass Expansion - ICP Fully Demountable Torches
Instrument database: Analytik Jena AG - ZEEnit 650
One year EVISA speciation Newsletter - Two years of EVISA web site operation - Time to look back | EVISA's News
Instrument database: Thermo Scientific - AtomComp 2000 DC Arc Spectrometer
The European Chemical Agency (ECHA) calls for comments on reports proposing restrictions on mercury and phenylmercury | EVISA's News
Instrument database: Bodenseewerk Perkin-Elmer GmbH - Model 1100
Instrument database: Aurora Instruments Ltd. - TRACE 800 Atomic Absorption Spectrometer
Company database: Ceramic Society of Japan (CerSJ)