Sartorius Stedim Biotech 16306 Mode D'emploi page 13

Table of Contents
1. Specifications
2. Equipment Supplied
3. Cleaning and Care of the Filter Holder
4. How to Assemble the Filter Holder
5. Clarifying Filtration
6. Sterile Filtration
7. Microbiological Testing
8. Analytical Methods
9. Recommended Accessories
10. Spare Parts
Glass vacuum filter holders are available in two types
which differ only in the filter support, which is a PTFE
ring. This ring contains either a glass frit or a PTFE-
coated stainless steel screen and an underdrain screen.
The filter supports may only be changed as a unit.
Because of the particularly even distribution of parti-
culates of the membrane filter surface, filter supports
with glass frits are preferred for use in particulate
analysis.
Filter supports with a PTFE-coated screen are mainly
used for clarifying or sterile filtration of liter volumes.
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