1.1 These test methods cover procedures for the chemical analysis of chromium-copper alloys having chemical compositions within the following limits:
Copper, %98 and over
Chromium, %0.6 to 1.2
Silicon, %0 to 0.10
Iron, %0 to 0.10
1.2 The analytical procedures appear in the following order:
Sections
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Copper by the Electrolytic Method
Chromium by the Dichromate (Potentiometric) Method
Silicon by the Perchloric Acid Dehydration Method