System and method for thermogravimetric analysis

Details System and method for thermogravimetric analysis System and method for thermogravimetric analysis

1986-10-17

1989-04-25

Richman, Barry S.

Chemistry: analytical and immunological testing

Pyrolysis, combustion, or elevated temperature conversion

Multiple stages of heating or heating at multiple...

422 80, 422 94, 422 98, 436155, 436160, G01N 2135, G01N 2175, G01N 2500

Patent

active

048247901

ABSTRACT:
An instrument for the chemical analysis of coal and other hydrocarbons combines TGA and FT-IR principles, and utilizes helium to carry the volatiles evolved by pyrolysis of the sample into the optical cell of the FT-IR spectrometer. The connection between the TGA furnace and the optical cell is substantially direct and non-impeding to fluid flow, and the carrier gas is preheated to the same temperature as the sample, preferably using a common heating element.

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Solomon et al., Amer. Chem. Soc., vol. 31, No. 1, Preprints of Papers, Apr. 13-18, 1986, pp. 1-5.

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