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All Journal QUANTUM: Jurnal Inovasi Pendidikan Sains Dalton : Jurnal Pendidikan Kimia dan Ilmu Kimia AL-ULUM: JURNAL SAINS DAN TEKNOLOGI Jurnal Ilmiah Berkala: Sains dan Terapan Kimia
Okviyoandra Akhyar
Program Studi Pendidikan Kimia Fakultas Keguruan Dan Ilmu Pendidikan Universitas Islam Kalimantan (Uniska) Muhammad Arsyad Al Banjari, Banjarmasin
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Education Energy Physics

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Journal : AL-ULUM: JURNAL SAINS DAN TEKNOLOGI

 1 
PERANCANGAN DAN UJI KUALITAS ALAT DESTILASI SEDERHANA SEBAGAI LANGKAH KREATIF MEWUJUDKAN KEMANDIRIAN LABORATORIUM Okviyoandra Akhyar; Mohan Taufiq Mashuri
AL-ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 1, No 2 (2016)
Publisher : Universitas Islam Kalimantan Muhammad Arsyad Al Banjari

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (160.265 KB) | DOI: 10.31602/ajst.v1i2.490

Abstract

Designed and quality insurance of simple distillation apparatus as alternative way to solve lack of laboratory tools. Research about designed and quality controlled of simple distillation apparatus have been reported. Simple apparatus design’s applied principle of distillation method. Basically, distillation was used to separate the constituents of a mixture by using differences of boiling point. Simple distillation apparatus designed by using materials which is commonly used in daily life such as electric kettle , PVC, glass tube / plastic tube and any other easy to find material . Distillate that has been  produced would be controlled by using  Argentometry method . Based on the datas , simple distillation apparatus can be used as an alternative way for producing of  distillate which could  be used for daily laboratory purposes because there were no detected contamination of salt  in distillates.
ANALISIS SKRINING FITOKIMIA, KADAR TOTAL FENOL-FLAVONOID DAN AKTIVITAS ANTIOKSIDAN EKSTRAK ETANOL KULIT KAYU TANAMAN GALAM RAWA GAMBUT (Melaleuca cajuputi roxb) Raden Roro Ariessanty Alicia Kusuma Wardhani; Okviyoandra Akhyar; Emilda Prasiska
AL-ULUM: JURNAL SAINS DAN TEKNOLOGI Vol 4, No 1 (2018)
Publisher : Universitas Islam Kalimantan Muhammad Arsyad Al Banjari

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (392.518 KB) | DOI: 10.31602/ajst.v4i1.1589

Abstract

Forest galam is forest typical south kalimantan capable of growing on land peat and have the potential as herbs. Bark galam is part plant which remains underutilized. Hence the study was done to know compound bioaktif which is found in bark galam so bark galam could be more used especially as herbs. Screening phytochemistry analysis, the total fenol-flavonoid and the antioxidant activity performed on extract ethanol bark galam. Based on the results of phytochemical screening, compounds of secondary metabolite contained in the bark extract were alkaloid, polyphenol, flavonoid and quinone. Total phenolic was defined by using Folin-Ciocalteu method at wavelengths 748 nm and the results was 33,8646 ppm with the total of phenol  level was 30,47814 mg GAE/g of extract. The total flavonoid was specified by using the method of AlCl3 at 373,6 nm. The results showed that the total concentration of flavonoid 0,0942 ppm with the total level of extract flavonoid was 0,2826 mg QE/g of extract. The antioxidant activity test uses DPPH (1,1-diphenyl-2- picrylhidrazyl) method and the measurement uses spectrophotometry UV-Vis at wavelengths 518,90 nm. The comparison compound used is ascorbic acid. Antioxidant activity test showed that the IC50 values in the bark extract is 44,4888 ppm. Antioxidant intensity in the bark of galam extract is included in very strong intensity (<50 ppm).
Co-Authors Arpina Saleha Ayu Dita Subroto Dina Zairida Emilda Prasiska Herlina Apriani Mashuri, Mohan Taufiq Munawarah Munawarah Novianti Novianti Raden Roro Ariessanty Alicia Kusuma Wardani Raden Roro Ariessanty Alicia Kusuma Wardhani Siska Dwi Rosalina Siti Aisyah Nur Sari Siti Aryani Solehah, Gusti Hadiatus Ummi Khairunnisa