A Reliable Oxygen Bomb Calorimeter in a plain insulated jacket
for occasional calorific tests
The 1341 Calorimeter is an improved version of a plain,
static jacket, oxygen bomb calorimeter that has been made by Parr for more than
eighty years. It is a reliable calorimeter that can be used for the same broad
range of solid and liquid combustible samples as the 6000 Series. Its modest
cost and simple design recommend it primarily for users whose work load does
not justify the purchase of an automatic model. The calorimeter requires no
permanent connections. It can be set up and ready to operate in a few minutes
and, when not in use, can be disassembled easily and stored on a shelf.
MANY APPLICATIONS
The calorific value of any solid or liquid material that
can be burned safely in an oxygen bomb can be determined in the 1341
Calorimeter. It is also an excellent instrument for teaching heat measurement
techniques in a student laboratory since it provides all of the instrumentation
needed for such tests, but with each element in the system reduced to
fundamental forms. Although commonly called a 'plain' calorimeter because of
its simple design, technically this is a static jacket instrument which
operates at or near room temperature with no provision for controlling the
jacket temperature. Compensation for any heat loss (or gain) during a test is
made by applying a correction computed from heat leak measurements taken before
and after each test. As a general rule, about 10 or 12 tests can be completed
in an 8-hour day, whereas up to 75 tests can be run in the same period in a
Parr automatic model.
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