IP 426: Determination of the oil content of effluent water - Extraction and infra-red spectrometric method

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  • Method adopted/last revised: 1998
  • Method reapproved: 2012
  • REF/ISBN: IP426-2934869
  • Status: Current
  • First printed in STM books: January 1998

Scope

This standard specifies a method for the determination of the hydrocarbon oil content of water effluent, in the milligram per kilogram range.

NOTE 1 Two calibration and calculation procedures are described. One involves the generation and use of a calibration graph and is suitable for all instruments; the other involves the solving of simultaneous equations and is suitable for instruments with computer control. In addition, procedures are given for both single and double beam instruments.

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