Helixanthera sp is a species of parasite from the Loranthaceae family which can be used as a medicinal plant. This study aims to isolate and characterize secondary metabolites compounds from n-hexane extract of rubber ...

This research aims to analyze the effect of the cassava peel biosorbent powder activation process on the characteristics of the biosorbent powder, as well as determine the optimum contact time and optimum dose of biosorbent ...

In this study, microwave was used to activated the avocado seed powder. The activating step was held at variation of time 3, 4, 5, 6 and 7 minutes at 600 watts. The purpose of this research is to synthesize and characterize ...

Manganes oxide has structures such as layered, tunnel, and amorphous. Birnessite is a mangane oxide with layered structure. Birnessite has never been found in a pure form in nature. The pure birnessite can be obtained by ...