Research has been carried out on the synthesis of river sand-based nanosilica magnetic
material to improve water quality by utilizing iron sand taken from four rivers in the Lombok …

The synthesis of silica gel derived from magnetic minerals of Lombok Island river sand has
been carried out, which is used as an adsorbent for heavy metals in water. The synthesis …

Functional group analysis of silica gel synthesized from river sand magnetic minerals using
the sol-gel method was conducted. River sand magnetic mineral samples were taken from …

This research aims to produce Fe3O4 magnetic nanoparticles-based Taman River sand as
the raw material through coprecipitation. The Fe content percentage in the Taman River …

The research on coastal sand in Mataram-Lombok city, located at several beaches, namely,
Gading, Loang Baloq, Penghulu Agung, and Ampenan, is to determine the percentage of …

Abstract Analysis and characterization of the natural iron sand of the Bah Bolon River in
Simalungun Regency has been carried out. Separation of iron sand is carried out using a …

In this research, iron sand was obtained from the Sei Serayu river in Deli Serdang Regency.
The method for extracting iron sand is by manual extraction using a permanent magnet. The …

The magnetic susceptibility, as well as magnetic properties and morphological properties of
the natural sand iron oxide nanoparticles have been investigated. The sample were …

Brantas River is the second longest river in Java after Bengawan Solo, flowing from Malang,
Blitar, Tulungagung, Kediri, Jombang and Mojokerto. In Mojokerto Regency, the river …

The mine sand extraction process used the Methanol Soap Bathed (MSB) method. The
results of sample analysis using XRF and VSM (Vibrating Sample Magnetometer) obtained …