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GB/T 34190-2017 English PDF (GBT34190-2017)

GB/T 34190-2017 English PDF (GBT34190-2017)

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GB/T 34190-2017: Surface coating weight (thickness) of electrical steel -- X-ray spectrometric method
This Standard specifies the method that uses X-ray spectrometric method to test the surface coating weight (thickness) of electrical steel. This Method is for measuring the coating weight per unit area of a sample at room temperature. The measurement results can also be expressed by the thickness of the coating. This Standard is applicable to the electrical steel that contains stable, undisturbed, X-ray fluorescence intensity characteristic elements in surface coating. The measurement range of a given coating material depends primarily on the available characteristic X-ray fluorescence intensity and acceptable measurement uncertainty. And it varies depending on the instrument and measurement method used.

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