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Cerium

General Description

  • OSHA IMIS Code Number: C119
  • Chemical Abstracts Service (CAS) Registry Number: 7440-45-1

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:
  • Particulates not otherwise regulated (Respirable Fraction)
  • Mixed Cellulose Ester Filter (MCEF) 0.8 microns
  • maximum volume: 960 Liters
  • minimum volume: 480 Liters
  • maximum flow rate: 2.0 L/min
  • current analytical method: Atomic Absorption Spectroscopy; AAS
  • method reference: OSHA Analytical Method (OSHA ID-121)
  • method classification: Not Validated
  • note: Submit as separate sample. If the filter is not overloaded samples may be collected up to eight hours. An elemental analysis is performed for Cerium.
Conditions:

Cerium is soluble in concentrated or dilute mineral acids.

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