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ITEMS TO BE STERILIZED
Precautions for sterilizing of liquids such as cultures and chemicals
Mf large quantities of culture or other liquids are sterilized ,the de-
lay of reaching time could be occurred between the chamber
reaching time to setting temperature and the liquid in containers
reaching time to setting temperature.
Set the sterilization time a little longer than usual time when steri-
lizing such items.
Timer setting = sterilization time + delay time
•Never use the unit to sterilize cultures or chemical solutions
containing elements (salt water, strong acids, strong alkalis) that
could cause the inside of the chamber (made of stainless steel)
to corrode.
Corrosion could cause the unit to malfunction prematurely.
Checking of sterilization performance
•Sterilization performance can vary depending on the type of
items being sterilized, their quantity, how they are loaded into the
autoclave and the containers used to hold them. Therefore, be
sure to use a sterilization indicator such as an "OK card" to con-
firm sterilization performance.
Sterilizing of glass containers
•Only use Type 1 borosilicate glass containers and do not over-
load the stainless baskets. Do not squeeze bottles against each
other.
•Place items that might entrap the water steam, such as bowls or
pitchers, upside down or on edge so they will be sterilized prop-
erly.
•Place sterilizing glass containers such as beakers, triangular
flasks, test tubes and the containers upside down or on edge.
Placing glass containers upright makes it harder for the steam to
reach the bottom and can result in incomplete sterilization.
17
Strong acids
Salt
Strong
water
alkali
Before
Sterilization
After
Sterilization
Cotton
Disposable
Vented Test
Stoppers
Vanted Closures
Tube Cape
T
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