Atomization of cadmium compounds under reactive and inert high-temperature environment with stationary sample introduction

Dávid Nagy, Tibor Nagy, Attila Balogh, Csaba Falussy, József Posta

Research output: Contribution to journalArticle

Abstract

Atomization of cadmium compounds (acetate, chloride, nitrate, perchlorate, sulfate, formate, propionate) was studied using flame atomic absorption spectrometry. Our goal was to study processes influencing atomization separately, the focus was on the contribution of thermal properties of substances to atomization. For this purpose new techniques and equipment have been developed, such as a special separated three-slot burner, quartz flame furnace, and an electrically heated thermospectrometer. According to quartz flame furnace and thermospectrometric measurements, cadmium salts do not atomize below 600 8C in an inert atmosphere. We found that in the thermospectrometer the atomization of cadmium compounds follows at least two different reaction courses. At lower temperatures (650-700 8C) a slower mechanism is dominant at higher regions of the furnace, while at 800 8C a faster mechanism demanding less residence time in the furnace becomes dominant. Under inert atmosphere the degree of atomization strongly depends on the thermal properties of substances.

Original languageEnglish
Pages (from-to)272-279
Number of pages8
JournalApplied Spectroscopy
Volume68
Issue number3
DOIs
Publication statusPublished - Mar 2014

Fingerprint

Cadmium Compounds
Cadmium compounds
cadmium compounds
high temperature environments
atomizing
Atomization
furnaces
Furnaces
flames
formic acid
Quartz
inert atmosphere
Thermodynamic properties
Temperature
quartz
thermodynamic properties
Atomic absorption spectrometry
Propionates
formates
burners

Keywords

  • Atomic absorption
  • Cadmium salts
  • Thermal analysis
  • Thermospectrometry

ASJC Scopus subject areas

  • Spectroscopy
  • Instrumentation

Cite this

Atomization of cadmium compounds under reactive and inert high-temperature environment with stationary sample introduction. / Nagy, Dávid; Nagy, Tibor; Balogh, Attila; Falussy, Csaba; Posta, József.

In: Applied Spectroscopy, Vol. 68, No. 3, 03.2014, p. 272-279.

Research output: Contribution to journalArticle

Nagy, Dávid ; Nagy, Tibor ; Balogh, Attila ; Falussy, Csaba ; Posta, József. / Atomization of cadmium compounds under reactive and inert high-temperature environment with stationary sample introduction. In: Applied Spectroscopy. 2014 ; Vol. 68, No. 3. pp. 272-279.
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