รายละเอียดเอกสาร

This method provides a means for preparation of the mixed fatty acids and subsequent separation and determination of the liquid and solid fatty acids. The fact must be recognized that the lead salts of the saturated acids are somewhat soluble under the conditions of the test and that no correction is made for unsaponifiable matter. This method also provides a means for the determination of iso-oleic acid. Applicable to animal and vegetable fats and oils except those of the coconut oil group, butterfat or other fats and oils containing low molecular weight saturated fatty acids. The method is not satisfactory for oils containing high molecular weight unsaturated fatty acids such as are obtained from rape and mustard seed oil. Not applicable if rosin acids are present.