Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D1179-04

Standard Test Methods for Fluoride Ion in Water

Standard Test Methods for Fluoride Ion in Water D1179-04 ASTM|D1179-04|en-US Standard Test Methods for Fluoride Ion in Water Standard new BOS Vol. 11.01 Committee D19
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Significance and Use

Simple and complex fluoride ions are found in natural waters. Fluoride forms complexing ions with silicon, aluminum, and boron. These complexes may originate from the use of fluorine compounds by industry.

Fluoridation of drinking water to prevent dental caries is practiced by a large number of communities in this country. Fluoride is monitored to assure that an optimum treatment level of 1.4 to 2.4 mg/L, depending on the corresponding range of ambient temperatures of 32 to 10°C, is maintained.

Scope

1.1 These test methods cover the determination of fluoride ion in water. The following two test methods are given:

Sections
Test Method A-Distillation7 to 13
Test Method B-Ion Selective Electrode14 to 22

1.2 Test Method A covers the accurate measurement of total fluoride in water through isolation of the fluoride by distillation and subsequent measurement in the distillate by use of the ion selective electrode (ISE) method. The procedure covers the range from 0.1 to 2.6 mg/L of fluoride.

1.3 Test Method B covers the accurate measurement of simple fluoride ion in water by means of an ion selective electrode. With this test method, distillation is eliminated because the electrode is not affected by the interferences common to colorimetric procedures. Concentrations of fluoride from 0.1 to 1000 mg/L may be measured.

1.4 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. For a specific precautionary statement, see 12.1.2.

1.5 Former Test Method A, SPADNS Photometric Procedure, was discontinued. Refer to Appendix X1 for historical information.

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Details
Book of Standards Volume: 11.01
Developed by Subcommittee: D19.05
Pages: 6
DOI: 10.1520/D1179-04
ICS Code: 13.060.50