The Functional Form of the Emulsion Calibration Curve

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The Federal Bureau of Mines has derived a mathematical expression for the emulsion calibration curve used in optical emission spectroscopy. Employing a two-step preliminary curve method, an approximation of the first derivative of the calibration curve is formed and integrated. The final equation is

I = (1 + βS)−α

where I is the line intensity, S is the transform that linearizes the preliminary curve, and α and β are constants.

Keywords: Arc, dc; Computer, applications; Emission spectroscopy

Document Type: Research Article


Affiliations: U.S. Department of the Interior, Bureau of Mines, Reno Metallurgy Research Center, Reno, Nevada 89520

Publication date: January 1, 1979

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