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

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

Component database: Meinhard - Glass Products - Meinhard HEN, Quartz
Link database: Australian and New Zealand Guidelines for Fresh and Marine Water Quality, Volume 3, Primary Industries - Rationale and Background Information
Instrument database: Bodenseewerk Perkin-Elmer GmbH - Model 4100
Graduate Course on Speciation and Bioavailability | EVISA's Agenda of Events
Link database: Metals and trace elements in the diet and by injection
Instrument database: Teledyne Tekmar - Phoenix 8000 UV-Persulfate TOC Analyzer
Instrument database: Thermo Scientific - iCE 3500 AA Spectrometer
Journals database: International Journal of Environment and Health
Instrument database: Beijing Rayleigh Analytical Instrument Corporation (BRAIC) - WFX-320 Atomic Absorption Spectrophotometer
Instrument database: Beijing Rayleigh Analytical Instrument Corporation (BRAIC) - WFX-110A/120A/130A Atomic Absorption Spectrophotometer
Instrument database: Aurora Biomed - TRACE AI1200 Atomic Absorption Spectrometer
Link database: RIVM: Environmental risk limits for antimony
Instrument database: Shimadzu Europe - SPD-10Avp UV/VIS Detector
Component database: New Wave Research, Inc. - GLITTER - Data Reduction Software for the Laser Ablation Microprobe
Instrument database: GBC Scientific Equipment Ltd. - ExplorAA
Directory of scientists: Michael Krachler
Instrument database: Brooks Rand Labs - Modell III Mercury Analyzer
Component database: Glass Expansion - D-Torch Demountable Torch
Instrument database: Varian Inc. - Liberty Series II
Instrument database: Analytik Jena GmbH - novAAź 400 P - fully automated AAS spectrometer