Method CIPAC MT 199 has now been published in Handbook O. This method is intended to be a standard approach for the determination of quaternary ammonium compounds in concentrate and ready to use disinfectant formulations by potentiometric titration using an ionic surfactant electrode and sodium lauryl sulfate as titrant.
The method is not suitable for products containing large amounts of alcohol and /or hydrochloric acid.
For further details please see http://www.cipac.org/.
For advice on the application of this method or for risk assessment and further information on the registration of biocides, plant protection products or general chemicals, or any other regulatory issues, please contact JSC on +44 (0)1423 520245, firstname.lastname@example.org.
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