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Practical experience combined with expertise
Typically Miele
Manual v. machine-based reprocessing
Many laboratories have deliberately cho-
sen to wash their laboratory glassware,
e.g. beakers, pipettes, volumetrics and
flasks, Erlenmeyer flasks, Petri dishes and
test tubes, in a machine-based process.
One reason for this is to avoid the risk of
exposure to hazardous substances.
Broken glass from manual cleaning, for
instance, can cause serious injuries. Infec-
tious and toxic contaminants pose a health
hazard. Cleaning agents often contain
substances that are highly irritant.
Automatic, machine-based processes are
also more easily standardised, validated
and documented. Because washer-disin-
fectors operate as a closed system with
programmes that run fully automatically,
the potential risk to laboratory personnel
can be kept to a minimum. This in turn
means that machine preparation provides
personnel with maximum protection.
Laboratories use a wide variety of equip-
ment made from glass, ceramic ware and
plastic for testing and analysis, creating
reactions, for isolating or cleaning sub-
stances and for taking samples, etc.
Following on from this, cleaning and drying
are essential. The cleaning process must
ensure that equipment, when re-used, is
not affected by its previous use. Require-
ments vary widely from one laboratory to
the next. To establish which machines and
accessories, cleaning agents, water quality
and cleaning programmes best suit an
application, the following aspects need to
be considered:
1. Applications
Applications subdivide into general areas
(organic, inorganic or physical chemistry,
biology, microbiology, hospital, pharma-
ceutical, food industry or cosmetic industry
laboratories, etc.). The type of application
will also be an important factor in deter-
mining the type of machine and acces-
sories as well as the cleaning process and
cleaning agents required.
2. Laboratory machines
Laboratory equipment needs to be classi-
fied according to its various components
(beakers, conical flasks, measuring flasks
and cylinders, pipettes, Petri dishes, test
tubes, phials, centrifugal test tubes, etc.),
and according to size and volume (1 ml,
500 ml, 1000 ml) and the number of items
requiring processing. This information will
enable us to quote the right system for
your requirements.