Astm D 3868 – 04 pdf free download

Standard Test Method for
Fluoride Ions in Brackish Water, Seawater, and Brines1

This standard is issued under the fixed designation D 3868; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of the last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope*

1.1 This test method2 covers the determination of soluble
fluoride ions in brackish water, seawater, and brines by use of
a fluoride selective electrode.

1.2 Samples containing from 1.0 to 25 mg/L can be analyzed by this test method.

1.3 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. Referenced Documents

2.1 ASTM Standards: 3
D 1129 Terminology Relating to Water
D 1193 Specification for Reagent Water
D 2777 Practice for Determination of Precision and Bias of
Applicable Methods of Committee D19 on Water
D 3370 Practices for Sampling Water from Closed Conduits
D 5847 Practice for Writing Quality Control Specifications
for Standard Test Methods for Water Analysis.

3. Terminology

3.1 Definitions—For definitions of terms used in this test
method, refer to Terminology D 1129.

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