Fragmentation Factor (Fraction of Total Ions) for Major Peaks of Selected Material
MASS FF Acetone - (CH3)2CO 43 0.63 58 0.23 42 0.04 27 0.03 Argon - Ar 40 0.88 20 0.12 Benzene - C6H6 78 0.53 51 0.11 52 0.11 50 0.10 Carbon Dioxide - CO2 44 0.85 28 0.05 16 0.05 12 0.02 Carbon Monoxide - CO 28 0.91 12 0.05 16 0.02 Ethanol - C2H5OH 31 0.49 45 0.21 27 0.09 29 0.07 Helium - He 4 1.00 Hydrogen - H2 2 0.98 1 0.02 Krypton - Kr 84 0.57 86 0.18 82 0.11 83 0.11 Methane - CH4 16 0.46 15 0.40 14 0.07 13 0.04 Methanol - CH3OH 31 0.43 32 0.31 29 0.18 28 0.04 Neon - Ne 20 0.90 22 0.10 Nitrogen - N2 28 0.94 14 0.05 29 0.01 Oxygen - O2 32 0.95 16 0.05 Toluene - C2H5CH3 91 0.46 92 0.34 39 0.07 65 0.05 Trichlorethylene - C2HCl3 95 0.22 130 0.22 132 0.21 97 0.14 60 0.13 Water - H2O 18 0.75 17 0.19 1 0.05 16 0.02 Xenon - Xe 132 0.26 129 0.25 131 0.20 134 0.10 136 0.08
MASS
FF
Acetone - (CH3)2CO
43
0.63
58
0.23
42
0.04
27
0.03
Argon - Ar
40
0.88
20
0.12
Benzene - C6H6
78
0.53
51
0.11
52
50
0.10
Carbon Dioxide - CO2
44
0.85
28
0.05
16
12
0.02
Carbon Monoxide - CO
0.91
Ethanol - C2H5OH
31
0.49
45
0.21
0.09
29
0.07
Helium - He
4
1.00
Hydrogen - H2
2
0.98
1
Krypton - Kr
84
0.57
86
0.18
82
83
Methane - CH4
0.46
15
0.40
14
13
Methanol - CH3OH
0.43
32
0.31
Neon - Ne
0.90
22
Nitrogen - N2
0.94
0.01
Oxygen - O2
0.95
Toluene - C2H5CH3
91
92
0.34
39
65
Trichlorethylene - C2HCl3
95
0.22
130
132
97
0.14
60
0.13
Water - H2O
18
0.75
17
0.19
Xenon - Xe
0.26
129
0.25
131
0.20
134
136
0.08
Materials Guide Bulk Densities & Z-Ratios
Common Flange Specs (by Type)
Common Flange Specs (by Size)
RGA Spectra Data - Interpretation Guide
RGA Spectra Data - Fragmentation Factor
Thermocouple Data for Temperature Measurements
Common Diffusion Pump Fluids
Molecular Mean-Free Path Length versus Pressure
Vacuum Levels
Conversion Tables
Geometric Tolerancing
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