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See Chinese contents: GB/T 33948.1-2017 GB/T 33948.1-2017: Method for chemical analysis of copper-steel composite metal -- Part 1: Determination of copper content -- Iodine titration method
This Part of GB/T 33948 specified the determination method of copper content in copper-steel composite metal. This Part applies to the determination of copper content in copper-steel composite metal. The determination range is 4.00% ~ 25%.
