Index
117
M
CI ion source cleaning, 95
cleaning reagent gas supply tubing, 102
connecting the vacuum gauge controller, 100
foreline pump, 96
increased need for ion source cleaning, 94
methane/isobutane gas purifier, 97
purging the CI calibration valve after refilling
refilling the CI calibrant vial, 98
Methane
PCI methyl stearate spectrum, 24
setting up gas flow, 54
Methane, purity specification, 10
Methane/isobutane gas purifier, 12
Methyl stearate, spectra for methane and ammonia
Monitoring vacuum manifold pressure, 62
MSD Reference Collection CD-ROM
N
See
Negative CI
Negative CI
analyzer voltage polarities reversed, 30
autotune, 58
buffer gas, 30
dissociative electron capture, 33
effect of contamination, 32
electron capture, 32
ion pair formation, 33
ion-molecule reactions, 33
sensitivity, 32
theory, 30
thermal electrons, 30
inside front cover
P
inside front cover
Parts
CI interface, 106
CI ion source, 108
ferrules, 112
flow control module, 110
GC/MSD interface, 106
miscellaneous, 113
reagent gas flow control module, 110
to order, 104
Positive CI
avoiding persistent background of, 17
Positive CI
addition, 28
charge exchange, 29
hydride abstraction, 28
reagent ion background, 24
theory, 24
Pressure
CI ion source, 14, 24
indicated vs. absolute, 62
Ion source, for CI, 12
monitoring vacuum manifold, 62
Proton affinity
importance in PCI, 26
organic compound table, 27
reagent gas table, 27
Proton transfer, 26
Pumpdown
Содержание 5973 MSD
Страница 1: ...H Hardware Manual HP 5973 MSD PCI NCI ...
Страница 6: ...6 ...
Страница 7: ...1 General Information Specifications 9 Reagent gases and regulators 10 ...
Страница 13: ... Hardware Reference 13 ...
Страница 25: ... Chemical Ionization Theory 3RVLWLYH WKHRU 25 ...
Страница 31: ... Chemical Ionization Theory 1HJDWLYH WKHRU 31 ...
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Страница 92: ...92 ...
Страница 103: ...8 Parts GC MSD interface parts 106 CI ion source parts 108 Flow control module parts 110 Miscellaneous parts 113 ...
Страница 114: ...114 ...
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Страница 122: ...H Manual Part Number G1999 90001 Copyright 1998 Hewlett Packard Printed in USA 2 98 ...