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5.1x00a0;This test method is useful for the determination of the anions: chloride, nitrate, and sulfate in atmospheric wet deposition.
5.2x00a0;Fig. X1.1 in the appendix represents cumulative frequency percentile concentration plots of chloride, nitrate, and sulfate obtained from analyses of over 5000 wet deposition samples. These data may be used as an aid in the selection of appropriate calibration solutions. (3)
1.1x00a0;This test method is applicable to the determination of chloride, nitrate, and sulfate in atmospheric wet deposition (rain, snow, sleet, and hail) by chemically suppressed ion chromatography (1)2. For additional applications refer to Test Method D4327.
1.2x00a0;The concentration ranges for this test method are listed below. The range tested was confirmed using the interlaboratory collaborative test (see Table 1 for statistical summary of the collaborative test).
x00a0; | MDL (mg/L) (2) | Range of | Range |
Chloride | 0.03 | 0.09x2013;2.0 | 0.15x2013;1.36 |
Nitrate | 0.03 | 0.09x2013;5.0 | 0.15x2013;4.92 |
Sulfate | 0.03 | 0.09x2013;8.0 | 0.15x2013;6.52 |
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