Pellet preparation for quantitative determination of inorganic solid substances by infrared spectroscopy

J. Hlavay, J. Inczédy

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15 Citations (Scopus)

Abstract

The effects of actual particle size of solid in the KBr pellet on the intensity of i.r. absorption bands is discussed in detail. Different theories are summarized and Duyckaerts' formula is found to fit the experimental data best. Pellets were prepared either by the conventional dilution method or after wet grinding in ethanol. Particle size distribution of the samples was measured in the pellets and i.r. spectra were taken on the same area of the pellets. The alcoholic treatment proved far superior to the dry-homogenization method. Reliable quantitative analysis could be performed because the average particle size in the pellet was small and the reproducibility of pellet preparation was good.

Original languageEnglish
Pages (from-to)783-787
Number of pages5
JournalSpectrochimica Acta Part A: Molecular Spectroscopy
Volume41
Issue number6
DOIs
Publication statusPublished - 1985

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Infrared spectroscopy
Particle size
Homogenization method
Particle size analysis
Dilution
Absorption spectra
Ethanol
Chemical analysis

ASJC Scopus subject areas

  • Engineering(all)

Cite this

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abstract = "The effects of actual particle size of solid in the KBr pellet on the intensity of i.r. absorption bands is discussed in detail. Different theories are summarized and Duyckaerts' formula is found to fit the experimental data best. Pellets were prepared either by the conventional dilution method or after wet grinding in ethanol. Particle size distribution of the samples was measured in the pellets and i.r. spectra were taken on the same area of the pellets. The alcoholic treatment proved far superior to the dry-homogenization method. Reliable quantitative analysis could be performed because the average particle size in the pellet was small and the reproducibility of pellet preparation was good.",
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AU - Hlavay, J.

AU - Inczédy, J.

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AB - The effects of actual particle size of solid in the KBr pellet on the intensity of i.r. absorption bands is discussed in detail. Different theories are summarized and Duyckaerts' formula is found to fit the experimental data best. Pellets were prepared either by the conventional dilution method or after wet grinding in ethanol. Particle size distribution of the samples was measured in the pellets and i.r. spectra were taken on the same area of the pellets. The alcoholic treatment proved far superior to the dry-homogenization method. Reliable quantitative analysis could be performed because the average particle size in the pellet was small and the reproducibility of pellet preparation was good.

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