Automated determination of bromide in waters by ion chromatography with an amperometric detector
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Abstract
An automated ion chromatograph, including a program controller, an automatic sampler, an integrator, and an amperometric detector, was used to develop a procedure for the determination of bromide in rain water and many ground waters. Approximately 10 min is required to obtain a chromatogram. The detection limit for bromide is 0.01 mg l−1 and the relative standard deivation is <5% for bromide concentrations between 0.05 and 0.5 mg l−1. Chloride interferes if the chloride-to-bromide ratio is greater than 1 000:1 for a range of 0.01–0.1 mg l−1 bromide; similarly, chloride interferes in the 0.1–1.0 mg l−1 range if the ratio is greater than 5 000:1. In the latter case, a maximum of 2 000 mg l−1 of chloride can be tolerated. Recoveries of known concentrations of bromide added to several samples, ranged from 97 to 110%.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Automated determination of bromide in waters by ion chromatography with an amperometric detector |
| Series title | Analytica Chimica Acta |
| DOI | 10.1016/S0003-2670(00)83193-1 |
| Volume | 149 |
| Issue | C |
| Year Published | 1983 |
| Language | English |
| Publisher | Elsevier |
| Description | 4 p. |
| First page | 355 |
| Last page | 358 |
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