Thermal measuring and testing – Thermal gravimetric analysis
Patent
1996-07-10
1998-10-27
Gutierrez, Diego F. F.
Thermal measuring and testing
Thermal gravimetric analysis
374 55, 374 56, G01N 2500, G01N 2516
Patent
active
058269835
ABSTRACT:
A thermomechanical analyzer capable of performing, in addition to thermomechanical measurement, thermogravimetry of a sample of several grams or more only by switching parts of the analyzer. A thermomechanical analyzer has a heating furnace, a temperature detector for detecting temperature of the sample that is placed within the heating furnace, an attachable/detachable detecting rod and a sample holding member, wherein the sample is held between the detecting rod and the sample holding member. A load applying instrument applies an external force to the sample via the detecting rod. A displacement detector detects displacement of the detecting rod relative to the sample holding member. The thermomechanical analyzer is provided with a control computing apparatus for adjusting an output from the load applying instrument to bring an output from the displacement detector closer to a fixed value. The detecting rod and the sample holding member in the thermomechanical analyzer may be replaced respectively with a sample container and a container holding member. A recording device records output from the temperature detector and the load applying instrument.
REFERENCES:
patent: 3271996 (1966-09-01), Paulik et al.
patent: 3554001 (1971-01-01), Norem
patent: 4896973 (1990-01-01), Hill et al.
patent: 4976549 (1990-12-01), Khan
patent: 5466066 (1995-11-01), Hidaka
Nakamura Nobutaka
Sugano Yoshiharu
Gutierrez Diego F. F.
Seiko Instruments Inc.
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