ASTM D3868 Standard Test Method for Fluoride Ions in Brackish Water, Seawater, and Brines
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ASTM International
Standard Test Method for Fluoride Ions in Brackish Water, Seawater, and Brines
N D3868
Annotation
This test method2 covers the determination of soluble fluoride ions in brackish water, seawater and brines by use of a fluoride selective electrode.
Samples containing from 1.0 to 25 mg/L can be analyzed by this test method.
The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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 and health practices and determine the applicability of regulatory limitations prior to use.
2 Additional information is contained in the following references: Hoke, S. H., Fletcher, G. E., and Collins, A. G., “Fluoride and Iodide Selective Electrodes Applied to Oilfield Brine Analysis,” U.S. Department of Energy, Report of Investigations, BETC/RI-78/7.Rix, C. J., Bond, A. M., and Smith, J. D., “District Determination of Fluoride in Sea Water with a Fluoride Selective Ion Electrode by a Method of Standard Additions,” Analytical Chemistry, Vol 48, 1976, p. 1236.
*A Summary of Changes section appears at the end of this standard
Автоматический перевод:
Стандартный метод тестирования для ионов фторида в жесткой воде, морской воде и морских водах
