Agilent Technologies MP-AES Maintenance Manual

Agilent MP-AES Easy Fit Torch Maintenance
To help you achieve the maximum usable life from all models of the MP-AES Easy Fit torch, it is
recommended that the cleaning procedures are followed as soon as any discoloration appears
on the outer tube of the torch. To maximize torch lifetime and prevent contamination, you
should inspect the condition and cleanliness of the torch daily.
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To prevent damage to the torch, always take care when handling or storing it.
CAUTION
Do not use cleaning wire or abrasives like brushes or a scourer to clean the torch.
To prevent potential damage to the instrument, do not use the torch if it is damaged.
Hot Surface and Chemical Hazard
WARNING
The torch and torch compartment become extremely hot during instrument operation
and remain hot for some time after the instrument has been switched off. Allow the
torch and torch compartment to cool for at least five minutes before attempting to
remove the torch.
Nitric acid, hydrochloric acid and strong alkali solutions are very corrosive and can
cause severe burns when they come into contact with the skin. Preparation of acid soak
solutions and any soaking should be done under an extraction fume hood. It is essential
that appropriate protective clothing be worn at all times when handling these acids. If
acid contacts the skin, wash off with copious amounts of water and seek medical
attention immediately.
Use a clean, wide diameter, open-top beaker (preferably 100mL tall form) or a similar container
IMPORTANT
to hold the soak solutions. Use the recommended torch cleaning stand (see Figure 1) for Easy-
fit MP-AES torches (part number G8003-68003) to hold the torch inverted while soaking during
the cleaning process. Use clean/particle free detergents or acid to perform the soak.
The torch cleaning stand aids in cleaning the torch, preventing damage to the fragile end of the
quartz outer tube and limiting exposure of the elastomer materials on the torch body to acid
fumes, reducing premature degradation.
Ensure the acid does not contact the seal between the quartz outer tube and the plastic base.
Keep the torch vertical, with the ball joint at the top, throughout all cleaning and rinsing steps
unless otherwise directed.