Quantitative Results of X-Ray Fluorescence Spectrometric Analysis of Chinese Ceramics by Photon Source Excitation

Energy-dispersive X-ray fluorescence spectrometric analysis of
Chinese ceramics is a simple, rapid and nondestructive technique. The
absolute measurement of the concentrations of several trace elements
(Mn, Zn, Rb, Sr, Zr, Nb and Ba) by reference to calibration curves
yields results that can determine whether or not a piece of Chinese
porcelain is a modern reproduction.

Chinese porcelain from Jingdezhen made from the Ming dynasty until 1940 is 100 – 130 ppm, but for those made thereafter, whether Chinese or not, the barium concentration is 60 – 7000 ppm, with only a few pieces in the range 100 – 130 ppm. This result makes possible nondestructive detection of most modern reproductions. For the few pieces having a barium content in the range 100 – 130 ppm, then other criteria may be applied – 46yg.

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Chinese Antique Valuations And Appraisals

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