Appendices

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Appendix A

Units and Symbols

SI base units
SI derived units
Some unit conversion factors
Prefix for decimal multiples and submultiples of SI units

Appendix B

Tables and diagrams

Important constants
Periodic table of the elements
Greek alphabet
Conversion factors for pressure units
Conversion factors for throughput (flow rate)
Conversion factors for pumping speed (volumetric flow rate)
Physical properties of some gases
Vapour pressure and density of saturated water vapour in the temperature range 0-100 °C
Technical data of some diffusion pump oils
Components of atmospheric air
Graph of air pressure and temperature as a function of the altitude above the earth’s surface
Composition of air as a function of the altitude above the earth’s surface

Appendix C

 ISO symbols for vacuum components

Appendix D

Properties and applications of materials in vacuum