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See Chinese contents: GB/T 20975.2-2018 GB/T 20975.2-2018: Methods for chemical analysis of aluminium and aluminium alloys -- Part 2: Determination of arsenic content
This Part of GB/T 20975 specifies the method for determination of arsenic content in aluminium and aluminium alloys. This Part applies to the determination of arsenic content in aluminium and aluminium alloys. All coexisting elements in aluminium and aluminium alloys do not interfere with the determination of arsenic. The measurement range of Method 1 is: and gt;0.0005%~0.020%. The measurement range of Method 2 is: 0.000002%~0.0005%.
