Carbon determination in Si3N4 by slurry atomization ICP-AES

Imre Varga, Gyula Zàray, Jànos Szèpvölgyi, Gàbor Kònya

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Carbon content in silicon nitride powders having mean particle size below 5 μm was determined by slurry atomization inductively coupled plasmaatomic emission spectrometry (ICP-AES). A complete atomization of the solid particles was observed in a low power argon-ICP. The blank value of the carbon signal was reduced by using high purity argon, fresh bidistilled water and an extended torch. Silicon nitride slurries were analyzed by calibration and addition methods with acetic acid as reference. The results were in good agreement with data obtained by a LECO carbon analyzer. A blank restricted detection limit of 0.018% was calculated. The relative standard deviation of the analysis was below 7%.

Original languageEnglish
Pages (from-to)381-387
Number of pages7
JournalMikrochimica Acta
Volume99
Issue number3-6
DOIs
Publication statusPublished - May 1 1989

Keywords

  • ICP-AES
  • ceramic materials
  • silicon nitride
  • slurry atomization

ASJC Scopus subject areas

  • Analytical Chemistry

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