Direct temperature control and measurement for furnace atomizers

Details Direct temperature control and measurement for furnace atomizers Direct temperature control and measurement for furnace atomizers

1977-10-28

1980-01-01

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

73363, G01J 330

Patent

active

041814380

ABSTRACT:
Apparatus for directly controlling the power delivered to an electrically heated furnace atomizer for use in atomic spectroscopy and thus for controlling the temperature of the furnace by utilizing dimensional changes produced in the furnace due to thermal expansion and contraction to produce electrical signals that are used by means of a feedback control to control the electrical input to the furnace.

REFERENCES:
"New Methods for Programmed Heating of Electrically Heated Nonflame Atomic Vapor Cells", Montaser et al.; Analytical Chemistry, vol. 47, #1, pp. 38-45, Jan. 1975.
"Simple & Reliable Furnace Temp. Control System", Morrow et al.; J. Sci. Instrum., 1962, vol. 39, p. 34.

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