Cadmium losses on wet and dry ashing of plant materials
| Autor: | Jan Kučera, L. Soukal |
|---|---|
| Rok vydání: | 1995 |
| Předmět: |
Cadmium
Trace Amounts Health Toxicology and Mutagenesis Nondestructive analysis Public Health Environmental and Occupational Health chemistry.chemical_element Pollution Decomposition Analytical Chemistry Nuclear Energy and Engineering chemistry Ashing Isotopes of cadmium Environmental chemistry Radiology Nuclear Medicine and imaging Wet ashing Neutron activation analysis Spectroscopy |
| Zdroj: | Journal of Radioanalytical and Nuclear Chemistry Articles. 193:33-38 |
| ISSN: | 1588-2780 0236-5731 |
| DOI: | 10.1007/bf02041914 |
| Popis: | Cadmium losses on wet and dry ashing were studied using tomato leaves with metabolized 109Cd radiotracer. The most appreciable Cd losses (up to 35%) occured when sulphuric acid was used on wet ashing due to Cd retention in the CaSO 4 precipitate formed. Only trace amounts of CA were retained in a silicaceous precipitate resulting from wet ashing in the absence of sulphuric and hydrofluoric acids in the decomposition mixtures employed. Small Cd losses (up to 7%) were observed on dry ashing in the air in open systems at temperatures not exceeding 500oc. Cd losses increased, however, to 30% when the final ashing temperature was raised to 900~ Incorporation of the 109Cd radiotracer into various parts of tomato plants and its distribution between soil and the plants are also briefly reported. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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