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All Journal SEMIRATA 2015 Journal of Aceh Physics Society Indonesian Journal of Chemistry Journal of Physics and Its Applications Walisongo Journal of Chemistry Risalah Fisika Jurnal Natural Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) Grimsa Journal of Science Engineering and Technology
Nasrullah Idris
Jurusan Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Syiah Kuala,Jl. Syech Abdurrauf No. 3 Darussalam, Banda Aceh 23111, Aceh, Indonesia
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Energy Engineering Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Physics Other

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Journal : Journal of Aceh Physics Society

 1 
Thermal Conductivity of Foamed Concrete Fibre Arenga Pinnata Merr Yunita .; Nasrullah Idris; Abdullah .
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : PSI-Aceh

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Abstract

The objective of this research is to examine the effect of the palm fibre from arenga pinnata Merr on thermal conductivity of foamed concrete. The sample was made at civil Engineers Departement labolatory with specific gravity of 1.0 and 1.4 with variations of the palm fibre from arenga pinnata Merr are 0.5 %, 1.0 %, and 2.0 %. The sample was packed into (15 x 15 x 1) cm3. The measurement result showed that the thermal conductivity values are increase with the small porosity, i.e. 18 %, on the contrary, the thermal conductivity values are decrease with the large porosity, i.e. 27 %. The thermal conductivity values of concrete the palm fibre from arenga pinnata Merr addiction are 0.47 W/mºC, 0.52, W/mºC, and 0.44 W/mºC for specific gravity values 1.0 with 0.5 %, 2.0 %, and 2 %. It about 0.48 W/mºC,  0.45 W/mºC and 0.43 W/mºC for specific gravity values 1.4 with 0.5 %, 1.5 %, and 2.0 %. In conclusion, the thermal conductivity values of foamed concrete with the palm fibre arenga pinnata Merr addiction has the largest value in specifict gravity 1.0 with 2.0 % of the palm fibre arenga pinnata Merr percentage
Studies of Relation Between Turbidity and Refractive Indeks of Bottled Water in The Area of Banda Aceh by Using Interferometer Murty Method Nurlaili .; Nasrullah Idris; Adi Rahwanto
Journal of Aceh Physics Society Volume 1 Number 1 March 2012
Publisher : PSI-Aceh

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Abstract

Bottled water is clean water ready to drink quickly without cooking however, it is not all of the bottled water have a good quality. The quality of water can be observed from the optical properties of water, such as clarity and refractive index. A study has been carried out by using interferometer Murty method to know the relation between turbidity and refractive index of the bottled water. The refractive index measurement was carried out for 20 samples from 10 brands of the bottled water. The result of refractive index measurement shows that the refractive index of the water is about 1,1, in averge on the other hand the refractive index of water based on literature is 1,33. Along with the refractive index measurement by using interferometer Murty, turbidity was also measured by using Turbidimeter. The result of measurement show that there is a relation between turbidity and refractive index. The deviation of refractive index values obtained in this measurement from the literature data is because there are some error in the measurement process. By improving the error, better measurement will allow the interferometer Murty to be used to inspect water clarity.
Co-Authors A Halim Abdullah . Adi Rahwanto Ali Khumaeni Amlia, Nisa Anak Agung Istri Sri Wiadnyani Anneza Astriet Arlin Maya Sari Asep Yoyo Wardaya Eka Safitri Fathurrahmi Heri Sugito Jannah, Firaihanil Kiichiro Kagawa Maswati Maswati Md Sani, Nor Diyana Mitaphonna, Rara Muliadi Ramli Muliadi Ramli N. Nazaruddin Rinaldi Idroes Rossani, Ratu Balqis Saiful Saiful Saiful Saiful Siska Sucirahayu Surya Lubis Susilawati Susilawati T. Banta Darmawan T. N. Usmawanda Yunita .