| Spectrophotometric determination of tetracycline by coupling with diazotised 4-aminoantipyrine in presence of cetylpyridinium chloride R J Al-Ashow, N S Othman Rafidain Journal of Science 23 (3), 72-84, 2012 | 17 | 2012 |
| IR spectroscopy in qualitative and quantitative analysis N Othman Infrared Spectroscopy-Perspectives and Applications, 2022 | 15 | 2022 |
| Spectrophotometric determination of amoxicillin in pharmaceutical preparations NS Othman, RS AL-Saffar International Journal of Enhanced Research in Science Technology and …, 2015 | 15 | 2015 |
| Spectrophotometric determination of phenylephrine hydrochloride by coupling with diazotized 2-aminobenzothiazole N Th Abdul Fatah, N S Othman Rafidain journal of science 20 (8), 69-81, 2009 | 14 | 2009 |
| Spectrophotometric determination of mefenamic acid in pharmaceutical preparations via arsenazo III–cerium (III) reaction L S Awadis, N S Othman Rafidain journal of science 20 (1), 8-21, 2009 | 14 | 2009 |
| Determination of phenylephrine-HCl using conductometric titration method S H Hasan, N S Othman, K M Surchi Current Analytical Chemistry 12 (4), 330-334, 2016 | 11 | 2016 |
| Spectrophotometric determination of mefenamic acid via oxidative coupling reaction with 4-ammino-antipyrine in presence of N-chlorosuccinimide NS Othman, LS Awades Pak. J. Anal. Environ. Chem 9 (2), 64-68, 2008 | 11 | 2008 |
| Nik Maheran Nik Muhammad.(2011). Tourist perceived value in a community-based homestay visit: An investigation into the functional and experiential aspect of value SA Jamal, N Othman Journal of Vacation Marketing 17 (1), 5-15, 0 | 11 | |
| Indirect spectrophotometric determination of phenylephrine hydrochloride in pharmaceutical preparations NS Othman, NT Fatah Abdul Tikrit Journal of pure science 16 (2), 67-74, 2011 | 10 | 2011 |
| Spectrophotometic Determination of some Sulphonamides in Aqueous Solution Via Azo-Dye Formation Reaction NS Othman Journal of Education and Science 17 (2), 32-40, 2005 | 10 | 2005 |
| Spectrophotometric determination of niclosamide by prior reduction and subsequent diazotization-coupling with 2, 6-dihydroxybenzoic acid–Application to tablets N S Othman, S H Sultan Rafidain Journal of Science 25 (1), 40-52, 2014 | 9 | 2014 |
| Spectrophotometric and high performance liquid chromatographic methods for determination of metoclopramide in pharmaceutical preparations, Rafidain J NS Othman, H Mahmood, N Khaleel Sci 22, 39-56, 2011 | 9 | 2011 |
| Diazotised p-nitroaniline reagent for the determination of trace amounts of salbutamol sulphate in aqueous solution–Application to pharmaceutical preparations I A Hamdon, N S Othman Rafidain Journal of Science 16 (8), 60-67, 2005 | 9 | 2005 |
| Histidine as a new coupling agent for the spectrophotometric assay of sulphadiazine–application to pharmaceutical preparations R M Kadder, N S Othman Rafidain Journal of Science 17 (7), 25-35, 2006 | 8 | 2006 |
| Using 2, 4-dinitrophenylhydrazine in spectrophotometric determination SA Zakaria, Z Talal, NS Othman Samarra Journal of pure and Applied Science 4 (2), 107-117, 2022 | 7 | 2022 |
| Indirect spectrophotometric determination of oxymetazoline hydrochloride NS Othman, SA Fathe Raf. J. Sci 24 (1), 84-95, 2013 | 7 | 2013 |
| Spectrophotometric determination of metoclopramide hydrochloride in pharmaceutical preparations via oxidative coupling reaction NS Othman, HS Mahmood, NA Khaleel Tikrit journal of pure science 16 (4), 89-95, 2011 | 7 | 2011 |
| Spectrophotometric Estimation of Carvedilol via Schiff̕ s base Reaction with 4-Hydroxybenzaldehyde ITS Alallaf, NS Othman, AT Al-Taee Egyptian Journal of Chemistry 65 (1), 151-158, 2022 | 6 | 2022 |
| Spectrophotometric determination of sulphacetamide sodium via diazotization and coupling reaction RS Al-Safar, NS Othman IOP Conference Series: Materials Science and Engineering 928 (5), 052017, 2020 | 6 | 2020 |
| Using of diazotized 2, 4-dinitroaniline in spectrophotometric estimation of phenylephrine hydrochloride SH Hasan, NS Othman, KM Surchi Rafidain Journal of Science 29 (3), 37-46, 2020 | 6 | 2020 |
