ASTM E396 - 17
Standard Test Methods for Chemical Analysis of Cadmium
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Significance and Use
4.1 These test methods for the chemical analysis of cadmium are primarily intended to test such material for compliance with compositional specifications in Specification B440. It is assumed that all who use these test methods will be trained analysts capable of performing common laboratory procedures skillfully and safely. It is expected that work will be performed in a properly equipped laboratory.
1. Scope
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 | 62 – 72 |
| Arsenic by the Molybdenum Blue Spectrophotometric Method | 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, | 51 – 61 |
| Lead by the Dithizone Spectrophotometric Method [0.001 % to 0.05 %] | 20 – 29 |
| Thallium by the Rhodamine B Spectrophotometric Method | 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
B440 Specification for Cadmium
D1193 Specification for Reagent Water
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E50 Practices for Apparatus, Reagents, and Safety Considerations for Chemical Analysis of Metals, Ores, and Related Materials
E55 Practice for Sampling Wrought Nonferrous Metals and Alloys for Determination of Chemical Composition
E60 Practice for Analysis of Metals, Ores, and Related Materials by Spectrophotometry
E88 Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composition
E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E173 Practice for Conducting Interlaboratory Studies of Methods for Chemical Analysis of Metals
E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
ICS Code
ICS Number Code 71.040.40 (Chemical analysis); 77.040.30 (Chemical analysis of metals)
UNSPSC Code
UNSPSC Code 12141707(Cadmium Ca)
Referencing This Standard
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DOI: 10.1520/E0396-17
Citation Format
ASTM E396-17, Standard Test Methods for Chemical Analysis of Cadmium, ASTM International, West Conshohocken, PA, 2017, www.astm.org
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