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NOTICE Be careful not to overstretch the O-Rings when securing the
containers. As you stretch each O-Ring to install, you will notice a dead spot in
elasticity beyond which the O-Rings no longer stretches anymore. Once you
have reached this point, you should not try to stretch the O-Rings any further
because it will snap.
3. 3. 11. Adhesive Mat Installation and Use
Adhesive mats are suitable for containers with a wide, flat base, such as
Erlenmeyer flasks, Fernbach flasks, media bottles, microplates, petri dishes,
cell culture flasks, volumetric flasks and beakers. Generally, all vessels
that can stand upright can be used, but as their base area to height ratio
decreases, so does the maximum achievable shaking speed. Tall containers
with a small base are less suitable, as shown in
flasks (e.g. 3000 ml) will stick stronger than small ones (e.g. 100 ml).
Figure 95: Adhesive Mat: Suitable Flask Shapes
There are two general types of adhesive mats available:
Low Adhesion Mat (transparent) 75004111 and 75004117
ƒ
»
ease of handling due to lower stickiness
»
particularly suited for beakers
»
suitable for all vessels up to a maximum of 200 rpm (tissue culture
growth application)
High Adhesion Mat (black transparent) 75004126 and 75004127
ƒ
»
reliable vessel fixation due to higher stickiness
»
suitable for all vessels
maximum speed of 400 rpm (up to 500 ml Erlenmeyer)
»
Accessories
Figure
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95. Large Erlenmeyer
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