Pengaruh Penambahan Ammonium Hidroksida (Nh4oh) saat Pengendapan terhadap perubahan Bilangan Asam Resiprene 35 PT. Industri Karet Nusantara

Abstract

Resiprene 35 is a product of the rubber industry which is useful for human needs, used for various needed, among other things, as a basic of marine paints industry, varnish, electricity isolator, etc. One of the parameters that determine the quality is the content of the product acid value resiprene 35. The lactic acid value 35 resiprene very useful to meet the needs of consumers, that is an industry used resiprene 35. Because the levels of acid value that do not meet the standard can reduce product quality. In this analysis added ammonium hydroxide (NH 4 OH) with a variation of concentration among others, without the addition NH4OH, 5%, 10%, 15%, 20% . The analysis was conducted to determine the acid number in accordance with the standard product. Universitas Sumatera