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Standard Test Methods for Trace Anions in High Purity Water by Ion Chromatography

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Standard Test Methods for Trace Anions in High Purity Water by Ion Chromatography


1.1 These test methods cover the determination of trace ([mu]g/L) levels of fluoride, acetate, formate, chloride, phosphate, and sulfate in high purity water using ion chromatography in combination with sample preconcentration. Other anions, such as bromide, nitrite, nitrate, sulfite, and iodide can be determined by this method. However, since they are rarely present in significant concentrations in high purity water, they are not included in this test method. Two test methods are presented and their ranges of application, as determined by a collaborative study, are as follows:

1.2 It is the user's responsibility to ensure the validity of these test methods for waters of untested matrices.

1.3 The common practical range of Test Method A is as follows: chloride, 1 to 100 [mu]g/L, phosphate, 3 to 100 [mu]g/L, and sulfate, 2 to 100 [mu]g/L.

1.4 The common practical range of Test Method B is as follows: fluoride, 1 to 100 [mu]g/L, acetate, 10 to 200 [mu]g/L, and formate, 5 to 200 [mu]g/L.

1.5 The values stated in SI units are to be regarded as the standard.

1.6 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.


anion; eluant; ion chromatography; trace; ICS Number Code 71.040.30 (Chemical reagents)

To find similar documents by ASTM Volume:

11.01 (Water (I))

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71.040.30 (Chemical reagents Including reference materials)

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Document Number


Revision Level

1994 R99(E1) EDITION



Modification Type

Reapproval with Ed Change

Publication Date

June 1, 1999

Document Type

Test Method

Page Count

8 pages

Committee Number