Thermogravimetric apparatus with a balance arm vibrating functio

Details Thermogravimetric apparatus with a balance arm vibrating functio Thermogravimetric apparatus with a balance arm vibrating functio

1994-01-21

1995-11-14

Gutierrez, Diego F. F.

Thermal measuring and testing

Thermal gravimetric analysis

G01N 2500, G01N 500

Patent

active

054660661

ABSTRACT:
In a thermogravimetric apparatus which is composed of a balance-arm 1, a detector 2 for detecting an amount of deviation of the balance-arm 1, a control circuit 3 for controlling equilibrium of the balance, and a driving part 6 for moving the balance-arm to the balanced position, vibration of the balance-arm has been made possible by adding a vibration generating circuit 5 for vibrating the balance-arm 1 and an adding circuit 4 for adding a signal from the control circuit 3 to a signal from the vibration generating circuit 5. A measurement which is excellent in reproducibility and accuracy is thus obtained. Automation of replacement of samples and unattended measurement are also made possible.

REFERENCES:
patent: 3045472 (1962-07-01), Paulik et al.
patent: 4606649 (1986-08-01), Mikhail
patent: 4846292 (1989-07-01), Narukawa
patent: 5306087 (1994-04-01), Nakamura et al.

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