instrumentaion and thermogravimetry

1. SPEAKERS:

2. “…. a technique in which the mass of a
substance is measured as a function of
temperature, while the substance is
subjected to a controlled temperature
programme.”

4. 3 Essential parts of thermo balance which are as follows:

5. A furnace is an enclosed structure used for
heating materials to very high temperatures.

6. A microbalance is capable of
making precise measurements of
weight of objects of relatively small
mass.

7. Recorder is use to record the data in computer in graphical
form for further interpretation.

8. TEMPERATURE PROGRAMMER
BALANCE
CONTROLLER
POWER FURNACE TEMP.
SAMPLE TEMP.
WEIGHTGAS IN
GAS-TIGHT
ENCLOSURE
SAMPLE
HEATER

9. The plot also shows the derivative of the TG curve, or the DTG curve, which is often
useful in revealing extra detail, such as the small event around 400°C.