This extraction procedure is used for the estimation of oils, greases, and waxes in textile materials. Other solvents may be substituted only when small errors due to possible hydrolysis of soaps present in the textile material are unimportant. The ethanol extraction procedure is used for the estimation of residual soaps in textile materials, resulting from manufacturing or laundering procedures.
The testing and evaluation of a product against this method may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this method has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any existing applicable regulatory requirements prior to its use.
