Iron sand is a source of natural magnetic material which is quite abundant. Iron sand can be
useful as a magnetic source material which has the potential as a raw material for using …

Vegetable-tanned leather exhibits a hydrophilic character due to the abundance of hydroxyl
groups (-OH). In this study, the surface of vegetable-tanned leather was modified to become …

Chrome (VI) has a high level of toxicity. Formaldehyde is potential to be developed as a
substitute of chrome tanning agent. The aims of this study are to explain the amount of …

Bahan magnetik (BM) pasir besi alam merupakan salah satu sumber adsorben magnetik.
Selain BM, pasir besi alam juga mengandung bahan non-magnetik. Preparasi BM pasir besi …

Natural iron sand is a magnetic material that has considerable potential as a source of iron
ore (Fe). The presence of iron sand in nature is mixed with other non-magnetic material so …

The hydrophilic character of vegetable tanned leather is potentially a medium for bacterial
growth. A treatment using an antibacterial agent applies to prevent bacterial growth on it …

The functionalized silica coating mercapto on iron sand magnetic material (MM/SiO 2/MBI)
has been done through sol-gel process. The successfully synthesized material is used as …

Pemanfaatan bahan alam sebagai sumber bahan magnetik (BM) merupakan keuntungan
tersendiri, yakni preparasi yang lebih mudah dilakukan, jumlah bahan kimia yang …

Formic acid is known as a fixing agent in vegetable tanning process but this material is
corrosive and irritant. Citric acid has the potential to be developed as an alternative fixing …

The abundant hydroxyl groups (-OH) of vegetable tanned leather enhances the bacterial
growth possibility. In this work, antibacterial vegetable tanned leather was developed taking …