MEASUREMENT OF FLUORIDE ACTIVITY AND CONCENTRATION IN SEAWATER USING A LANTHANUM FLUORIDE ELECTRODE

Abstract

Fluoride ion activity is quickly and easily determined in seawater, using a fluoride-selective electrode. Samples require little pretreatment, a determination takes 15 minutes, demands made on the operator are minimal, and the equipment required is rugged, inexpensive, and motion insensitive. The ratio of fluoride activity to total fluoride concentration is given as a function of salinity at constant temperature; where normal ion ratios are encountered, the total concentration may be determined using the shipboard method described. The method lends itself to adaptation for in situ analysis.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1969
Accession Number
AD0691201

Entities

People

  • Theodore B. Warner

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • C4I

DTIC Thesaurus Topics

  • Accuracy
  • Buffers (Chemistry)
  • Climate Change
  • Deep Water
  • Dilution
  • Electrodes
  • Equations
  • Errors
  • Fluorides
  • Hydroxides
  • Liquids
  • Measurement
  • Salinity
  • Standardization
  • Standards
  • Temperature Control
  • Water

Readers

  • Environmental Engineering
  • Plasma Physics.
  • Systems Analysis and Design