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  • Applied Spectroscopy
  • Vol. 20,
  • Issue 4,
  • pp. 212-213
  • (1966)

Direct Determination of Nickel in Catalytic-Cracking Feedstocks by Atomic-Absorption Spectrophotometry

J. D. Kerber

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Abstract

Nickel in catalytic-cracking feedstocks is determined by atomic-absorption spectrophotometry with no sample preparation other than dilution in <i>p</i>–xylene. A modification of the method of additions permits rapid testing with a detection limit of 0.05 ppm Ni and a precision of 0.05 ppm.

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