Determination of lauryl sulfate by photometric / turbidimetric titration

The anionic surfactant sodium lauryl sulfate (SLS) can be found in many detergents as active ingredient in cleaning or cosmetic products. To assess cost and performance of such products it is important to know the amount of SLS present in final product as well as raw materials. This Application Note describes the determination of the sodium lauryl sulfate by turbidimetric titration using the Optrode at 610 nm.