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Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry (Includes all amendments and changes 12/22/2021).
Name übersetzen
NORM herausgegeben am 1.11.2021
Bezeichnung normen: ASTM D3561-16(2021)e1
Ausgabedatum normen: 1.11.2021
SKU: NS-1045126
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
brackish, brine, lithium, potassium, seawater, sodium,, ICS Number Code 13.060.50 (Examination of water for chemical substances)
Significance and Use | ||||||||||||
5.1?Identification of a brackish water, seawater, or brine is determined by comparison of the concentrations of their dissolved constituents. The results are used to evaluate the water as a possible pollutant, or as a commercial source of a valuable constituent such as lithium. |
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1. Scope | ||||||||||||
1.1?This test method covers the determination of soluble lithium, potassium, and sodium ions in brackish water, seawater, and brines by atomic absorption spectrophotometry.2 1.2?Samples containing from 0.1 to 70000 mg/L of lithium, potassium, and sodium may be analyzed by this test method. 1.3?This test method has been used successfully with artificial brine samples. It is the user's responsibility to ensure the validity of this test method for waters of untested matrices. 1.4?The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversion to inch-pound units that are provided for information only and are not considered standard. 1.5?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. 1.6?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. |
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2. Referenced Documents | ||||||||||||
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