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ASTM D1179-16

Current Revision

Standard Test Methods for Fluoride Ion in Water

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1.1 These test methods2 cover the determination of fluoride ion in water. The following two test methods are given:

 

Sections

Test Method A—Distillation

7 to 13

Test Method B—Ion Selective Electrode

14 to 21

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 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 and health practices and determine the applicability of regulatory limitations prior to use. For a specific precautionary statement, see 12.1.2.

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


4.1 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.

4.2 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, usually near 1 mg/L, is maintained.

SDO ASTM: ASTM International
Document Number D1179
Publication Date June 15, 2016
Language en - English
Page Count 7
Revision Level 16
Supercedes
Committee D19.05
Publish Date Document Id Type View
June 15, 2016 D1179-16 Revision
June 15, 2010 D1179-10 Revision
July 1, 2004 D1179-04 Revision
Feb. 10, 1999 D1179-99 Revision
Nov. 1, 2021 D1179-16R21E01 Reaffirmation