Analisa Pengaruh Penggunaan Optical Brightening Agent (Oba) Wet End Dan Surfa…

ABSTRACK Optical Brightenic Agent (OBA) is a compound that can provide a light effect on an object exposed to light, so that the object will be whiter and more radiant. The utilization of OBA in the paper industry is used as an auxiliary material in achieving the optical properties of paper in accordance with the specified standards. OBA consists of three types, namely disulpho, tetrasulpho, a…