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HAPSITE Smart Operating Manual
Chapter 16
Glossary
16.1 Glossary
Air peak
. . . . . . . . . . . . . . . . . . . . . . A response by the mass spectrometer to
components of air. The compounds in this
peak are un-retained, or uninhibited by the
standard 30 meter 1.0
m film thickness
boiling point column. This set of compounds
typically elutes 1 to 1.5 minutes from the start
of analysis.
Alignment
. . . . . . . . . . . . . . . . . . . . A part of the tuning process which assures
that the mass peaks fall at their calibrated
position on the mass scale.
AM
. . . . . . . . . . . . . . . . . . . . . . . . . . Analytical Module, also called the HAPSITE
and HAPSITE Smart.
AMDIS
. . . . . . . . . . . . . . . . . . . . . . . Automated Mass Spectral Deconvolution
and Identification System Software
AMU
. . . . . . . . . . . . . . . . . . . . . . . . . (Atomic Mass Unit) The dimension in which a
number of protons and neutrons are stated.
Analyte
. . . . . . . . . . . . . . . . . . . . . . That portion of a sample which comprises
compounds to be analyzed; that is,
separated, identified and measured.
Atomic Weight
. . . . . . . . . . . . . . . . The AMU representation of the number of
protons and neutrons in a specified atom.
Baseline
. . . . . . . . . . . . . . . . . . . . . . A measure of the intensity of the background
noise of the mass spectrometer. This is
determined using the Noise Check feature in
the Tune program.
Calibration Curve
. . . . . . . . . . . . . . The mean value of the measured noise level.
Carrier Gas
. . . . . . . . . . . . . . . . . . . The pure inorganic gas used to aid the flow
of sample gas through the chromatograph for
analysis. In the HAPSITE VOC-free Nitrogen
is normally used.
Summary of Contents for HAPSITE Smart
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