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 |
E55-23 | Standard Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition |
E60-11(2022)e1 | Standard Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry (Includes all amendments and changes 6/29/2022). |
E62-89(1996) | Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods) |
E29-22 | Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications |
E54-80(1996) | Standard Test Methods for Chemical Analysis of Special Brasses and Bronzes (Withdrawn 2002) |
E50-17 | Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials |
|