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The purpose and main contents of formulating the "Appraisal Method for Jewelry and Jade"
In the process of jewelry and jade identification, sometimes wrong conclusions are caused by improper methods or instruments, so this standard stipulates the commonly used identification methods of jewelry and jade identification, including some advanced spectral analysis methods, such as infrared spectrum and X-ray fluorescence spectrum.

Among these identification methods are data determination methods, such as density, refractive index, birefringence, absorption spectrum and so on. There are observation and description methods, such as multi-color development, magnification inspection, ultraviolet fluorescence and so on. There are also spectral analysis methods, such as infrared spectrum, ultraviolet-visible absorption spectrum and so on.