See the link below to review the method recommended for 89131, Fragrance allergen mix A1.
https://www.sigmaaldrich.com/technical-documents/protocol/analytical-chemistry/calibration-qualification-and-validation/allergenic-fragrance-testing
Note that the recommended column is 29832-U, SLB®-IL60i 30 m x 0.25 mm x 0.2 μm. The usage of column 24181, SPB®-50 Capillary GC Column, cannot be located. The information you are requesting may be available, however additional information is required. We kindly ask you to navigate to the link https://www.sigmaaldrich.com/techservice, click on "Product Technical Inquires" under the Products Section with all the required information, including the reference to the 24181 column, so that a member of our team can reach out to you to assist further. Thank you.