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31.904  Articles
1 of 3.191 pages  |  10  records  |  more records»
Abstrak. Pasir besi alam adalah satu dari sumberdaya alam di Indonesia, khususnya Sumatera Utara, yang pemanfaatannya belum dilakukan secara optimal. Penelitian ini dilakukan untuk menganalisis kandungan dan ukuran butir Fe yang terdapat di Provinsi Sumat... see more

Abstrak. Pasir besi alam adalah satu dari sumberdaya alam di Indonesia, khususnya Sumatera Utara, yang pemanfaatannya belum dilakukan secara optimal. Penelitian ini dilakukan untuk menganalisis kandungan dan ukuran butir Fe yang terdapat di Provinsi Sumat... see more

Iron sand contains Fe3O4 which can be produced Fe2O3 and limestone contains dominant CaCO3. Both of these materials are very abundant in Indonesia. Iron sand is generally used as building construction materials, as well as the use of limestone, there has ... see more

This research aimed to investigate the distribution, volume, and concentration of iron sand at Wari Ino Beach Tobelo. The resistivity method with Werner-Schlumberger configuration was applied to investigate the iron sand distribution. The measurements wer... see more

Modification of silica coated on magnetic material iron sand with chitosan for adsorption of Au(III) has been carried out. Magnetic material (MM) from iron sand was separated using an external magnet, washed with water and HF solution 10%. MM–silica–chito... see more

Although iron stains are a commonly described feature of marine sand grains, the micromorphology and mineralogy of these features has not been determined previously. Light microscopy, scanning electron microscopy and X-ray diffractometry were used in this... see more

The Fe3O4 nanoparticles have been successfully synthesized from natural iron sand by using co-precipitation method at a temperature of 56oC. The elemental identification, structural characterization, and bonding analysis were carried out using XRF, XRD, a... see more

Wetlands are particularly sensitive environments receiving attention from the natural sciences community due totheir wealth of both flora and fauna, and often considered as natural parks. In the Tablas de Daimiel (La Mancha,Central Spain), Digital Airborn... see more

Arsenic contamination of groundwater is a major public health concern worldwide. The problem has been reported mainly in southern Asia and, especially, in Bangladesh. Slow-sand filters (SSF) augmented with iron were proven to be a simple, low-cost and dec... see more

1 of 3.191 pages  |  10  records  |  more records»