This product is not tested for use as an analytical standard. This material is of porcine origin, however, the total lipid content is not determined. A previous porcine lard oil product, which is no longer available, was primarily made up of oleic acid (53 %), palmitic acid (21 %), linoleic acid (10 %), and steric acid (4-5 %). This product may have a similar profile. The free fatty acids content is listed on the lot-specific certificate of analysis.
Please see the link below to review a sample Certificate:
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/L0657-BULKSLCR5893.pdf