Longitudinal nonisothermality of a graphite furnace in an electrothermal atomizer
โ Scribed by L. A. Pelieva; E. V. Prostetsova; V. G. Bukhantsova
- Publisher
- Springer US
- Year
- 1982
- Tongue
- English
- Weight
- 418 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0021-9037
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The determination of metals in traces by means of electrothermal atomization atomic absorption spectrometry (ETA-AAS) presents analytical difficulties for complex matrixes such as seawater or brines. Some of them can be overcome with sample pretreatment or through the use of matrix modifiers at the
## Abatraet Under stabilized-temperature platform furnace (STPF) conditions ascorbic acid does not significantly affect the peak areas for lead and tin and increases the peak area 1.37-fold for gallium. The appearance times for all three elements increase in the presence of ascorbic acid. The ther