Contents Foreword Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Method and principle 5 Instruments and equipment 6 Test method 7 Factors those affecting the measurement results 8 Measurement results processing 9 Limitations Annex A (Informative) Testing flow chart for determination of precious metal content using X-ray fluorescence spectrometry Annex B (Informative) Uncertainty evaluation method and examples of X-ray fluorescent spectrometry to determine the content of the precious metal Annex C (Informative) Processing method and result calculation of sample
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