Penentuan Bilangan Peroksida dan Titik Lebur dari Palm Stearic Oil Fatty Acid(Psofa) Pt. Socimas Medan

Abstract

PT. SOCIMAS Medan is one of the oleochemical industry to produce the PSOFA products. One of the parameters for PSOFA products quality are peroxide value and melting point. Peroxide value which number of milli equivalens peroxide in 1000 grams of fat. While the melting point is the temperature at which the fat becomes completely liquid or the temperature at which the phase change from solid to liquid phase. Determination of peroxide value performed by iodometric titration method. Determination of melting point made is by using a capillary tube was dipped into the sample and heated to melted the product. From the results of a study of the PSOFA products obtained peroxide value : 0.59 to 0.99 meq. These results still meet the standards set field by PT.SOCIMAS Medan the maximum 5 meq. While the temperature of the melting point obtained from 51.6 to 51.8oC. This result also meets the standards set 47-57oC