TA I
NSTRUMENTS
TGA 2950 4–9
Furnace
Two types of furnaces may be used with the
TGA 2950 instrument, the standard TGA
furnace, or the Evolved Gas Analysis (EGA)
furnace. The EGA Furnace (see Appendix D) is
an optional accessory that allows you to connect
a spectrometer to the instrument so that the
gases evolved by sample decomposition can be
analyzed.
TGA Standard Furnace
The TGA standard furnace (Figure 4.4) consists
of a furnace housing, a heater, and a furnace
base that moves these parts up (to closed posi-
tion) and down (to open position).
Figure 4.4
TGA Furnace
Description of the TGA 2950