Analisa Kadar Nitrogen dalam Crumb Rubber Mutu Sir 20 dan Crumb Rubber Mutu Sir 3 Metode Kjeldhal

Abstract

Was done compare analysis titrates nitrogen in rubber SIR 20 by rubber SIR 3 at PT. Bridgestone Sumatra Rubber Estate Dolok Melangir, where does analysis need is done to know rubber rate compare SIR 20 by rubber SIR 30. Compare analysis so effective is done in determine top-grade crumb rubber quality bases classification among SIR'S quality 20 by SIR'S qualities 3. Parameter that is utilized is know to titrate greater or smaller nitrogen bases Standart Indonesian Rubber (SIR) already been determined. In this analysis, firm can also increase crumb rubber quality if was known nitrogen rate among classification second crumb rubber as product of main who will be marketted.