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39. There are several ways to remove the filter along with the filter cake.
a.
Hold the cell and invert it over a sink and let the weight of the fluid
inside the cell push the disk out.
b.
Careful manipulation with a spatula will often remove a filter and filter
cake intact without losing fluid.
40.
Discard the fluid inside the cell unless it is required for further testing.
Save the filter cake for analysis.
41.
Clean and dry the apparatus thoroughly after each use.
42.
Inspect all o-rings for deformities and replace as necessary. Replace all
o-rings if the test was conducted above 350°F (177°C).
After each test, the HTHP filter press should be left so that a new test
may be performed with no clean-up and a minimum of assembly.