Characterization of chemical properties, unit cell parameters and particle size distribution of three zeolite reference materials: RM 8850 - zeolite Y, RM 8851 - zeolite A and RM 8852 - ammonium ZSM-5 zeolite

S. Turner, J. R. Sieber, T. W. Vetter, R. Zeisler, A. F. Marlow, M. G. Moreno-Ramirez, M. E. Davis, G. J. Kennedy, W. G. Borghard, S. Yang, A. Navrotsky, B. H. Toby, J. F. Kelly, R. A. Fletcher, E. S. Windsor, J. R. Verkouteren, S. D. Leigh

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Zeolites have important industrial applications including use as catalysts, molecular sieves and ion exchange materials. In this study, three zeolite materials have been characterized by the National Institute of Standards and Technology (NIST) as reference materials (RMs): zeolite Y (RM 8850), zeolite A (RM 8851) and ZSM-5 zeolite (RM 8852). They have been characterized by a variety of chemical and physical measurement methods: X-ray fluorescence (XRF), gravimetry, instrumental neutron activation analysis (INAA), nuclear magnetic resonance (NMR), calorimetry, synchrotron X-ray diffraction, neutron diffraction, laser light extinction, laser light scattering, electric sensing zone, X-ray sedimentation, scanning transmission electron microscopy (STEM), scanning electron microscopy (SEM) and optical microscopy. The chemical homogeneity of the materials has been characterized. Reference values are given for the major components (major elements, loss on ignition [LOI] and loss on fusion [LOF]), trace elements and Si/Al and Na/Al ratios. Information values are given for enthalpies of formation, unit cell parameters, particle size distributions, refractive indices and variation of mass with variation in relative humidity (RH). Comparisons are made to literature unit cell parameters. The RMs are expected to provide a basis for intercomparison studies of these zeolite materials.

Original languageEnglish (US)
Pages (from-to)252-267
Number of pages16
JournalMicroporous and Mesoporous Materials
Volume107
Issue number3
DOIs
StatePublished - Jan 15 2008
Externally publishedYes

Keywords

  • Reference materials
  • Zeolite A
  • Zeolite Y
  • Zeolites
  • ZSM-5

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials

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