Air Supply; Nitrous Oxide - PerkinElmer AAnalyst 700 User Manual

Tomic absorption spectrometer
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Air supply

An air compressor is recommended for the air supply to the burner system.
Cylinders of compressed air should only be used as an emergency or short-term
solution.
If you use cylinder air, make sure that it is compressed air and not oxygen-
enriched air (e.g. breathing air); the use of oxygen-enriched air can cause a
flashback of the flame.
Never use oxygen as the oxidant since this can cause an explosion.

Nitrous oxide

(dinitrogen monoxide, N
Tubing and fittings carrying nitrous oxide must be free of all oil, grease, and
organic materials.
Spontaneous combustion may occur if nitrous oxide comes into contact with
these materials.
Use a double-stage or heated regulator for nitrous oxide to prevent freezing of
the diaphragm and a loss of pressure regulation.
Do not store nitrous oxide in close proximity to flammable gases, such as
acetylene or hydrogen.
0993-5255
Safety/Regulatory Information
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2
1-17

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