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5.2 Cleaning
Cleaning is necessary if you want to use the dispenser for another chemical
solution or if you don't use it for a longer time. During cleaning, please follow the
safety instructions!
Before cleaning, remove all liquid from the dispenser without any loss of reagent
by following these steps:
1. Turn the discharge tube (7) to 180° and let the remaining reagent from the
discharge tube flow back into the reagent bottle.
2. Screw off the dispenser from the bottle.
3. Drain the suction tube (18) by slightly tapping inside the reagent bottle.
4. Turn the discharge tube from 180° to 90° and remove all remaining liquid from
the cylinder back into the reagent bottle.
For cleaning, follow these steps:
1. Attach suction tube and screw the dispenser on a bottle with distilled water or
alcohol.
2. Turn discharge tube to "Dispense" mode.
3. Dispense multiple times until the device is cleaned.
If necessary, disassemble the dispenser (see 5.4 and 5.5) and clean all components.
The dispenser should be cleaned daily if used with following chemicals:
■ Solutions with tend to build crystals (e.g. salts)
■ Inorganic oxidizing solutions (e.g. biuret reagent)
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