Область применения

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 Copper by the Electrolytic Method 8 to 11 Chromium by the Dichromate (Potentiometric) Method 12 to 15 Silicon by the Perchloric Acid Dehydration Method 16