The determination of mercury in soils and related materials by cold-vapour atomic absorption spectrometry
| Autor: | A.M. Ure, Charles A. Shand |
|---|---|
| Rok vydání: | 1974 |
| Předmět: |
Acid digestion
Chromatography Chemistry Spectrophotometry Atomic Absorption cell Analytical chemistry Liquid phase chemistry.chemical_element Mercury Combustion Biochemistry Analytical Chemistry law.invention Mercury (element) Cold Temperature Solutions law Soil water Methods Soil Pollutants Environmental Chemistry Wet oxidation Atomic absorption spectroscopy Oxidation-Reduction Spectroscopy |
| Zdroj: | Analytica Chimica Acta. 72:63-77 |
| ISSN: | 0003-2670 |
| DOI: | 10.1016/s0003-2670(01)82949-4 |
| Popis: | A method for the determination of mercury in soils and related materials, by the cold-vapour, reduction-aeration absorption technique, is described. The mercury in the reduced sample solution is partitioned, by agitation, between the liquid phase and a fixed volume of air which is then blown through an absorption cell for measurement. Three preparative methods were developed, two of which use acid digestion and wet oxidation and the other direct oxidation in an oxygenflask combustion technique. Comparative analysis of natural samples by the three methods was used to validate the techniques developed, since no authenticated reference samples were available. For 1-g samples, the analytical range was 0.01–0.5 p.p.m. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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