SPI Critical Point Drying Apparatus
User's Manual
The entire User's Manual for the SPI Critical Point Dryers is now published
on-line. We believe that this enables us at SPI to constantly offer our
customers a constantly evolving document, one that has the benefit of earlier
experiences and the latest recommendations.
We have also found a surprisingly large number of times, in any given year,
we are asked by customer to send them a replacement manual. Sometimes
someone has just "walked off" with their copy. In other instances the CPD
unit has been moved or even sold and a new person in a new laboratory finds,
and at the last minute as they are gearing up to do their experiments, that
they don't have a manual.
The on-line approach that we have taken believe is unique in the industry
we serve, certainly we are the very first to offer this level of service
to our customer. We welcome any time your suggestions on how we can make
our User's Manual an even more meaningful and more understandable document.
Table of Contents
Detailed Description of the Apparatus and Service Information
- Complete assembly
- Pressure vessel
- Control valves
- Thermometer and pressure gauge
- Safety blow-off valve (rupture disc)
- Specimen holder
-
Operation of the Apparatus
- Installation and trial run
- Tissue preparation
- A complete run
Important Note:
It has been found that when the safety valve (e.g. rupture disc) blows,
the instrument, depending on how it is positioned, can slide on the table
or even fall off of the table. While this has only happened once to our
knowledge, to prevent this from happening in the future, we have fitted
rubber feet or, if for permanent fixture, there are two ¼" holes drilled
into the board for permanently bolting to the table or bench.
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Monday March 22, 2010
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