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ISO 4503:1978 Hardmetals - Determination of contents of metallic elements by X-ray fluorescence - Fusion method
standard by International Organization for Standardization, 06/01/1978
Specifies methods for the determination of the presence, type, and distribution of porosity and uncombined carbon in hardmetals, furthermore apparatus, preparation of test pieces, procedure and test report. Figures show the types of apparent porosity and uncombined carbon.
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