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ASTM D 4327 Document Information:
Title
Standard Test Method for Anions in Water by Chemically Suppressed Ion Chromatography
ASTM International
Publication Date:
Jan 10, 2003
Scope:
(Footnote *)
This test method(Footnote 2) covers the sequential determination of
fluoride, chloride, nitrite,
ortho-phosphate, bromide, nitrate, and sulfate ions in water by
chemically suppressed ion
chromatography.
NOTE 1 - Order of elution is dependent upon the column used; see Fig.
1
This test method is applicable to drinking and wastewaters. The ranges
tested for this test method
for each anion were as follows (measured in mg/L):
It is the user's responsibility to ensure the validity of this test
method for other matrices.
Concentrations as low as 0.01 mg/L were determined depending upon the
anions to be quantitated, in
single laboratory work. Utilizing a 50-µL sample volume loop and
a sensitivity of 3
µS/cm full scale, the approximate detection limits shown in
Table 1 can be achieved. If lower
detection levels are required, the sensitivity may be improved by
using a lower scale setting
(<3 µS/cm) or a larger sample injection loop (>100
µL). The analyst must assure
optimum instrument performance to maintain a stable baseline at more
sensitive conductivity
full-scale settings.
The upper limit of this test method is dependent upon total anion
concentration and may be
determined experimentally as described in Annex A1. These limits may
be extended by appropriate
dilution or by use of a smaller injection volume.
Using alternate separator column and eluents may permit additional
anions such as formate or
citrate to be determined. This is not the subject of this test method.
This standard does not purport to address all of the safety problems,
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.
Footnote * - A Summary of Changes section appears at the end of this
standard.
Footnote 2 - The following references may be consulted for additional
information:
Small, H., Stevens, T. S., and Bauman, W. C., "Novel Ion Exchange
Chromatographic Method Using
Conductrimetric Detection," Analytical Chemistry, Vol 47, 1975, p.
1801.
Stevens, T. S., Turkelson, V. T., and Alve, W. R., "Determination of
Anions in Boiler Blow Down
Water with Ion Chromatography," Analytical Chemistry, Vol 49, 1977, p.
1176.
Sawicki, E., Mulik, J. D., and Witgenstein, E., Editors, Ion
Chromatographic Analysis of
Environmental Pollutants, Ann Arbor Science Publishers, Ann Arbor, MI,
1978.
Mulik, J. D., and Sawicki, E., Editors, Ion Chromatographic Analysis
of Environmental Pollutants,
Vol/No. 2, Ann Arbor Science Publishers, Ann Arbor, MI, 1979.
Weiss, J., Handbook of Ion Chromatography, Dionex Corp., Sunnyvale,
CA, 1986.
Waters Innovative Methods for Anion Analysis, Waters Chromatography
Division of Millipore, Method A
107 and A 116, 1990.
Haddad, P. R., and Jackson, P. E., Ion Chromatography: Principles and
Applications, Elsevier
Scientific Publishing Co., 1990.
Keywords:
- anions
- drinking water
- ion chromatography
- reagent water
- wastewater
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