Penentuan Kadar Amoniak (NH3) pada Lateks Kompon terhadap Benang Karet di PT. Industri Karet Nusantara

Abstract

condensed latex represent the raw material most compared to flexible rubber industry by sit, or crumb rubber but this latex have to be condensed beforehand till have the rate of crumb rubber 60% or more. one of the chemicals used for the materials of rubber processing is ammonia ( NH3) have the character of as compound antikoagulan as well as desinfektan , what is enhanced by indicator BTB 0,04N and later;then titration by H2SO4 0,1N by volumetri methods, happened by the colour change from turning yellow to become blue. ammonia content which is there are in latex about 25% for each lateks. the function amoniak is to depress the sour ascending number of volatile.