Astm D 3651 – 02 pdf free download

Standard Test Method for
Barium in Brackish Water, Seawater, and Brines1

This standard is issued under the fixed designation D 3651; 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 method covers the determination of soluble
barium ion in brackish water, sea-water, and brines by atomic
absorption spectrophotometry.

1.2 The actual working range of this test method is 1 to 5
mg/L barium.

1.3 This test method was used successfully on artificial
brine samples. It is the user’s responsibility to ensure the
validity of this test method for waters of untested matrices.

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.

2. Referenced Documents

2.1 ASTM Standards:
D 1129 Terminology Relating to Water2
D 1193 Specification for Reagent Water2
D 2777 Practice for Determination of Precision and Bias of
Applicable Methods of Committee D-19 on Water2
D 3370 Practices for Sampling Water from Closed Conduits2
D 4691 Practice for Measuring Elements in Water by Flame
Atomic Absorption Spectrophotometry2
D 4841 Practice for Estimation of Holding Time for Water
Samples Containing Organic and Inorganic Constituents2
D 5810 Guide for Spiking into Aqueous Samples2
D 5847 Practice for the Writing Quality Control Specifications for Standard Test Methods for Water Analysis.