A method was developed for the determmabon of mercury by cold vapour generation electrothermal atonuc absorption spectrometty mth m mtu concentration m a palladmm-coated graphite tube The mercury vapour generated by using NaBH, IS rapidly trapped m the graphite tube, coated with PdCl,, at 250Β°C and
Determination of erbium by electrothermal atomic absorption spectrometry using a pyrolytic graphite coated graphite tube and a pyrolytic graphite coated graphite tube lined with tantalum foil, held in place by a tungsten spiral
β Scribed by Yi-zai, Ma; Jian, Bai; Di-jun, Sun
- Book ID
- 125330753
- Publisher
- Royal Society of Chemistry
- Year
- 1992
- Tongue
- English
- Weight
- 974 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0267-9477
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Ammonium nitrate, used as a matrix modifier in sea-water analysis to eliminate the interference of sodium chloride, degrades the pyrolytic coating on graphite-furnace tubes. The initially increased sensitivities for copper, manganese and iron are maintained for up to 15 atomizations; there is then a
The direct atonuzatlon of tm m sahne water media m graphite furnace atormc absorption spectrometry with a tungsten-coated tube was investigated The combmed use of a tungsten-coated non-pyrolytic graphite tube and palladium as a chenucal modlfier ehnunated sahmty m doubly diluted sea water without a