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ISO 21135:2024

Chemicals for the leather tanning industry - Determination of the total content of certain bisphenols
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ISO 21135:2024

Chemicals for the leather tanning industry - Determination of the total content of certain bisphenols

PUBLISH DATE 2024
ISO 21135:2024

This document specifies a method for determining the total content (solvent extractable) of the following bisphenols in chemicals for the leather tanning industry:

  • bisphenol A;
  • bisphenol AF;
  • bisphenol B;
  • bisphenol F;
  • bisphenol S.

This method requires the use of liquid chromatography (LC) with either a single quadrupole mass spectrometer (MS), a triple quadrupole mass spectrometer (MS/MS), an ultraviolet (UV) detector, a diode array detector (DAD) or a fluorescence detector (FLD) to identify and quantify the bisphenols.

NOTE 1 This method can also be used for other bisphenols if they are validated by the laboratory.

NOTE 2 Bisphenol S cannot be detected with FLD.

SDO ISO: International Organization for Standardization
Document Number ISO 21135
Publication Date Jan. 1, 2024
Language en - English
Page Count 20
Revision Level
Supercedes
Committee IULTCS
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