Soiling
Problem How to resolve it
The following substances can lead to a
heavy build-up of foam during washing
and rinsing:
–
Some disinfecting agents and
cleaning detergents,
–
reagents for analysis e.g. for
microtiter plates,
–
cosmetics, hygiene and care
products such as shampoos and
creams (analytical applications),
–
active foaming agents such as
tensides.
–
Thoroughly rinse items in water
beforehand.
–
Select a cleaning program with at
least one short pre-rinse in cold or
hot water.
–
Depending on application use
de-foaming agents that do not
contain silicone oils.
The following substances cause
corrosion to stainless steel in the wash
cabinet and on accessories:
– Hydrochloric acid,
– other substances containing
chlorides such as sodium chloride
etc.,
– concentrated sulphuric acid,
– chromic acid,
–
Particles of iron and swarf.
– Thoroughly rinse items in water
beforehand.
– Place items drip dried into mobile
units, baskets and inserts and then
place these in the wash cabinet.
Chemical processes and technology
47
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