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42.1.3
Removal of radioactive contaminants
•
The agent must be specifically labelled as being an agent for removing radioactive contaminants.
•
Ingredients of suitable agents for removing radioactive contaminants:
anionic tensides, non-ionic tensides, polyhydrated ethanol.
•
After removing the radioactive contaminants, remove the agent residue by wiping with a damp cloth.
•
The surfaces must be dried directly after removing the radioactive contaminants.
42.2
Rotors and Attachments
42.2.1
Cleaning and care
•
In order to avoid corrosion and changes in materials, the rotors and accessories have to be cleaned regularly
with soap or with a mild cleaning agent and a moist cloth. Cleaning is recommended at least once a week.
Contaminants must be removed immediately.
•
Ingredients of suitable detergents:
soap, anionic tensides, non-ionic tensides.
•
After using detergents, remove detergent residue by rinsing with water (only outside of the centrifuge) or wipe off
with a damp cloth.
•
The rotors and accessories must be dried directly after cleaning.
•
Angle rotors, container and hanger made of aluminium are to be lightly greased after drying using acid-free
grease, e.g. vaseline.
•
In order to prevent corrosion as a result of moisture between the rotor and the motor shaft, the rotor should be
disassembled and cleaned at least once a month, and the motor shaft should be lightly greased.
•
The rotors and accessories have to be checked weekly for wear and corrosion. For swing-out rotors, it is
important to check the area of the lifting lugs, for hangers, the grooves and the base should be checked for
cracks.
Example: Crack in the groove area:
Rotors and attachments may no longer be utilised upon indication of wear and tear or corrosion.
•
Check the firm seating of the rotor on a weekly basis.
42.2.2
Disinfection
•
If infectious material should get on the rotors or accessories, they must be appropriately disinfected.
•
Ingredients of suitable disinfectants:
ethanol, n-propanol, ethyl hexanol, anionic tensides, corrosion inhibitors.
•
After using disinfectants, remove disinfectant residue by rinsing with water (only outside of the centrifuge) or wipe
off with a damp cloth.
•
The rotors and accessories must be dried directly after disinfection.
42.2.3
Removal of radioactive contaminants
•
The agent must be specifically labelled as being an agent for the removal of radioactive contaminants.
•
Ingredients of suitable agents for removing radioactive contaminants:
anionic tensides, non-ionic tensides, polyhydrated ethanol.
•
After removing the radioactive contaminants, remove agent residue by rinsing with water (only outside of the
centrifuge) or wipe off with a damp cloth.
•
The rotors and accessories must be dried directly after removing the radioactive contaminants.
90/179
Rev. 12 / 04.2020
AB5680DEENFRIT
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