1.1 These test methods cover the chemical analysis of cadmium having chemical compositions with the following limits: Element | Composition, max, % | | Antimony | 0.001 | Arsenic | 0.003 | Copper | 0.015 | Lead | 0.025 | Silver | 0.010 | Thallium | 0.003 | Tin | 0.010 | Zinc | 0.035 | 1.2 The test methods appear in the following order: | Sections | Antimony by the Rhodamine B Spectrophotometric Method
[0.0002 % to 0.0010 %] | 62 – 72 | Arsenic by the Molybdenum Blue Spectrophotometric Method
[0.001 % to 0.005 %] | 40 – 50 | Copper by the Neocuproine Spectrophotometric Method [0.002 % to 0.030 %] | 10 – 19 | Copper, Lead, Silver, and Zinc by the Atomic Absorption Spectrometry Method [0.004 % to 0.02 % Cu, 0.01 % to 0.05 % Pb, 0.004 % to 0.02 % Ag,
and 0.01 % to 0.05 % Zn] | 51 – 61 | Lead by the Dithizone Spectrophotometric Method [0.001 % to 0.05 %] | 20 – 29 | Thallium by the Rhodamine B Spectrophotometric Method
[0.0003 % to 0.005 %] | 30 – 39 | Tin by the 8-Quinolinol Spectrophotometric Method [0.0025 % to 0.0150 %] | 73 – 82 | 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary information is given in Section 6, , , and . 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
E135-23a | Standard Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials (Includes all amendments and changes 7/17/2023). |
B440-12(2021) | Standard Specification for Cadmium |
E173-93 | Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals (Withdrawn 1997) |
E1601-19 | Standard Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method |
D1193-06(2018) | Standard Specification for Reagent Water |
E60-11(2022)e1 | Standard Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry (Includes all amendments and changes 6/29/2022). |
E55-23 | Standard Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition |
E50-17 | Standard Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials |
E29-22 | Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications |
E88-11(2017) | Standard Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition |
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