1. Identification of β-Caryophyllene (BCP) in Aceh patchouli essential oil (PEO) using gas chromatography-mass pectrophotometry (GC-MS). Issue 1 (February 2021) Authors: Sufriadi, E; Meilina, H; Munawar, A A; Muhammad, S; Idroes, R Journal: IOP conference series Issue: Volume 667:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Chemometric classification of geothermal and non-geothermal ethanol leaf extract of seurapoh (Chromolaena odorata Linn) using infrared spectroscopy. Issue 1 (February 2021) Authors: Abubakar, A; Yusuf, H; Syukri, M; Nasution, R; Karma, T; Munawar, A A; Idroes, R Journal: IOP conference series Issue: Volume 667:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Simple combination method of FTIR spectroscopy and chemometrics for qualitative identification of cattle bones. (November 2019) Authors: Nadia, Y; Ramli, M; Muslem, ; Japnur, A F; Rusyana, A; Idroes, G M; Suhendra, R; Muhammad, ; Sasmita, N R; Tallei, T E; Idroes, R Journal: IOP conference series Issue: Volume 364(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. The potential use of chitosan deduced from the results of in silico analysis. Issue 1 (February 2021) Authors: Tallei, T E; Maulana, R R; Windah, A L L; Wahongan, I F; Tumilaar, S G; Fatimawali, ; Kumaunang, M; Sambul, A M; Adam, A A; Idroes, R Journal: IOP conference series Issue: Volume 667:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Study of linearity and stability of Pb(II)-1, 10-phenanthroline complex with the presence of Fe (II) dan Mg (II) matrix ions using UV-Vis spectrophotometry. Issue 1 (February 2021) Authors: Nisah, K; Ramli, M; Marlina, ; Idroes, R; Safitri, E Journal: IOP conference series Issue: Volume 1087:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Application of Near-Infrared spectroscopy and chemometric (PCA) in variety holothuria atra and holothuria scabra in Simeuleu, Aceh province. Issue 1 (February 2021) Authors: Ikhsan, I; Yusnaini, R; Nasution, R; Munawar, A A; Idroes, R Journal: IOP conference series Issue: Volume 1087:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Fourier Transformed Infrared (FTIR) spectroscopy analysis of patchouli essential oils based on different geographical area in Aceh. Issue 1 (February 2021) Authors: Sufriadi, E; Meilina, H; Munawar, A A; Idroes, R Journal: IOP conference series Issue: Volume 1087:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. The effect of KOH concentration and calcination temperature on the cement clinker catalyst activity in the transesterification of off-grade palm oil into biodiesel. Issue 1 (February 2021) Authors: Helwani, Z; Negara, W S; Zahrina, I; Amraini, S Z; Idroes, G M; Muslem, ; Idroes, R Journal: IOP conference series Issue: Volume 1087:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. CaO from chicken eggshell supported on activated carbon and KOH (CaO/C/KOH) as catalyst for biodiesel production from off grade palm oil. Issue 1 (February 2021) Authors: Helwani, Z; Zahrina, I; Amraini, S Z; Sianturi, R I; Idroes, G M; Muslem, ; Idroes, R Journal: IOP conference series Issue: Volume 1087:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Method validation for pesticide multiresidue analysis of pyrethroid on green beans of arabica gayo coffee using gas chromatography-electron capture detector (GC-ECD). Issue 1 (February 2021) Authors: Yusuf, M; Idroes, R; Saiful, ; Lelifajri, ; Bakri, T K; Satria, M; Nufus, H; Yuswandi, I; Helwani, Z; Muslem, ; Marlina, Journal: IOP conference series Issue: Volume 667:Issue 1(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗