Determination of dissolved boron in fresh, estuarine, and geothermal waters by d.c. argon-plasma emission spectrometry
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Abstract
A d.c. argon-plasma emission spectrometer is used to determine dissolved boron in natural (fresh and estuarine) water samples. Concentrations ranged from 0.02 to 250 mg l-1. The emission—concentration function is linear from 0.02 to 1000 mg l-1. Achievement of a relative standard deviation of ⩽ 3% requires frequent restandardization to offset sensitivity changes. Dilution may be necessary to overcome high and variable electron density caused by differences in alkali-metal content and to avoid quenching of the plasma by high solute concentrations of sodium and other easily ionized elements. The proposed method was tested against a reference method and found to be more sensitive, equally or more precise and accurate, less subject to interferences, with a wider linear analytical range than the carmine method. Analyses of standard reference samples yielded results in all cases within one standard deviation of the means.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Determination of dissolved boron in fresh, estuarine, and geothermal waters by d.c. argon-plasma emission spectrometry |
| Series title | Analytica Chimica Acta |
| DOI | 10.1016/S0003-2670(01)83239-6 |
| Volume | 98 |
| Issue | 1 |
| Year Published | 1978 |
| Language | English |
| Publisher | Elsevier |
| Description | 9 p. |
| First page | 67 |
| Last page | 75 |
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