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For cylinder connections, left-hand thread fittings are used for fuel; right-hand
thread fittings are used for support gases.
When your analytical program is complete, or at the end of the working day,
always ensure that all gas supplies are turned off at the cylinder.
If air is supplied from a compressor, all moisture must be extracted from the air
before it is supplied to the gas control module. Moisture can affect the internal
tubing and components of the gas control system and create a potentially
hazardous situation.
CAUTION
This spectrometer is to be used only with air, nitrous oxide, and acetylene for
flame operation.
WARNING
Explosion Hazard
Never use oxygen or oxygen-enriched air as the oxidant because this will result in
an explosion.
NEVER use any gas except acetylene as the fuel gas.
Acetylene
WARNING
Explosion Hazard, Fire Hazard
Unskilled, improper, or careless use of acetylene can create explosion
hazards and fire hazards which can result in death, severe personal injury or
burns
Use acetylene at pressures lower than 105 kPa (15 psig). At pressures above this
level, acetylene can explode spontaneously. In some instances, local regulations
may prohibit the use of acetylene at pressures above 62 kPa (9 psig).
Your Agilent AA is designed to operate at fuel supply pressures between 49 and
105 kPa (7-15 psig). Refer to the Specifications section (Page 34) or the rear of the
instrument for the exact range and recommended pressure.
Do not use any tubing or connector that will react chemically with acetylene.
Agilent 55B AA Spectrometer User's Guide
Safety Practices and Hazards
15
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