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All Journal Indonesian Physical Review Jurnal Pendidikan Fisika dan Sains (JPFS)
Vikki Ariyanto, Sandy
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Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Physics

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Pengaruh Kandungan CaCO3 dicuci dan tanpa dicuci Terhadap Kuat Tekan Beton di Pantai Pulau Mandangin Vikki Ariyanto, Sandy; Joni, Idon
Jurnal Pendidikan Fisika dan Sains (JPFS) Vol 6 No 2 (2023): September
Publisher : Pendidikan Fisika, FKIP, Universitas Nahdlatul Ulama Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52188/jpfs.v6i2.472

Abstract

Indonesia is one of the countries with abundant natural resource wealth including oil, gas and other natural mineral materials. One of the natural mineral materials found on Mandangin Island, Sampang Regency is CaCO3. The purpose of this research is CaCO3 as a substitute for iron sand in concrete mixtures with a variety of places, namely the hamlets of the west and east coasts. To find out the quality of the concrete mixture, an XRF test and a compressive strength test were carried out and compared the CaCO3 mixture which went through the washing and unwashed processes. The results of the XRF test showed that the highest content of the mineral Calcium (Ca) was in the East Coast hamlets of 94.88% and 94.73% in the West Coast. Whereas for the compressive strength test for washed and unwashed variations the highest value was in the washed variation with the highest value level being in the east coast hamlet of 231.17 Kg/Cm2 and west of 176.78 Kg/Cm2. This is a recommendation that CaCO3 sand can be used as a concrete mixture
IDENTIFICATION OF ROCK CHARACTERISTICS USING XRF, XRD, AND SEM TESTS ON API ALAM IN PAMEKASAN Joni, Idon; Vikki Ariyanto, Sandy
Indonesian Physical Review Vol. 5 No. 2 (2022)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v5i2.138

Abstract

Research has been conducted into the nature of geothermal rocks in Pamekasan. This place is located in Tlanakan Pamekasan. This study aims to determine the composition of mineral compounds in the soil so that fire can burst out from the soil and the soil does not melt. Three steps can be done with simple refinement and filtering methods, namely X-Ray Fluorescence (XRF), X-ray diffraction (XRD), and Scanning Electron Microscope (SEM). The results of XRF analysis show the element of Api Alam 1 is Ca 66.2%, Api Alam 2 is Si 37.4%, and in hot springs, is Si 39.6%. The XRD results show that mineral qualitatively in Api Alam 1 was in the form of CaCO3 compound at 60.1% and SiO2 at 39.9%, while in Api Alam 2, hot water sources were in the form of SiO2 compound (>90%). SEM Results on Api Alam 1 show that the sample is almost homogeneous (the distribution of CaCO3 and SiO2 is uneven), the presence of slab-shaped clumps that identify the presence of varying grain size, and with high porosity, which indicates that the sample is partially amorphous in structure, in Api Alam 2. The Hot springs show irregular aggregations and poor homogeneity of the sample. The size of the three samples is ten μm or 10.000 nm, while PSA results showed an average size of Api Alam 1 was 509.7 nm, Api Alam 2 was 891.3 nm, and Hot Springs was 468.3 nm.
Co-Authors Abdul Hobir Eko Ariwidodo Joni, Idon Jumesam, Jumesam Vivekanantharasa, Raveenthiran Yunanto, Fredy