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See Chinese contents: GB/T 34520.8-2021 GB/T 34520.8-2021: Test methods of continuous silicon carbide fibers -- Part 8：Oxygen content
This document specifies the sample preparation, sample test, and calculation of test results for the determination of oxygen content in continuous silicon carbide fibers by inert gas fusion-infrared absorption method. This document applies to the determination of the total oxygen content of continuous silicon carbide fibers by the inert gas fusion-infrared absorption method. Refer to this document for the oxygen content test of discontinuous silicon carbide fibers and matrix. Refer to this document for the oxygen content test of other ceramic fibers.
