The objective of this research was to evaluate the quality of the solid soap made from used cooking oil hawker food located in Tampan Subdistrict, City of Pekanbaru, through the addition of several doses of sodium hydroxide ...

used cooking oil can be used as base substance To manufactured of transparent solid soap. This aims of this reseach,,was determine effict of the addition stearic acid and glycerin with various concentrations of the quality ...

The aim of this research were to find the optimum quantity of using palm sugar, to know Consumer preference test and self life of dodol made from banana's syrup waste. The design was Non factorial randomized block design, ...

This study aims to determine the influene of several concentrations of activated charcoal and concentrations of bentonite in the improvement of physic-chemical nature of cooking oil used and the quality of the resulting ...