| 21 | Liquid-phase microextraction of thiamine using supramolecular solvent as a carrier for ferrofluid | Rouhollah Khani | بیست و ششمین کنفرانس شیمی تجزیه انجمن شیمی ایران | 2019-08-25 |
| 22 | Magnetic dispersive micro solid phase extraction based on 2-aminothiophenol as nanoadsorbent for quantification of 2, 4-dinitrophenol | Rouhollah Khani | بیست و ششمین کنفرانس شیمی تجزیه انجمن شیمی ایران | 2019-08-25 |
| 23 | Supramolecular solvent based liquid-liquid microextraction method for extraction and determination of riboflavin in food samples | Rouhollah Khani | دومین کنگره سالیانه شیمی، مهندسی شیمی و نانو فناوری با رویکرد پژوهش تا توسعه ملی | 2019-06-13 |
| 24 | Application of metal-organic frame work (MOF) as a very efficient sorbent for the separation and determination trace amount of anthracene in various real samples | Rouhollah Khani,Alireza Farrokhi | بیست و پنجمین سمینار شیمی تجزیه ایران | 2018-09-03 |
| 25 | Magnetic dispersive solid phase microextraction for the separation and quantification of brilliant green in various water samples | Rouhollah Khani | بیست و پنجمین سمینار شیمی تجزیه ایران | 2018-09-03 |
| 26 | Identification Compounds from the Seeds of Milk Thistle Using the Technique of GC and Study of Anti-oxidant Activity of Various Organs of this Plant | Rouhollah Khani | هفتمین کنگره ملی گیاهان دارویی | 2018-05-12 |
| 27 | Evaluation of Preliminary Phytochemicals, Determination of Mineral Elements in Silybum Marianum and its Biological Effects on Lowering Blood Pressure | Rouhollah Khani | هفتمین کنگره ملی گیاهان دارویی | 2018-05-12 |
| 28 | Biosynthesis and characterization of copper nanoparticles using fresh aqueous Ziziphus spina christi (L.) extract | Rouhollah Khani | همایش ملی گیاهان دارویی(تحقیقات، تولید و فرآوری) | 2017-03-08 |
| 29 | Potential of modified ionic liquid cold-induced aggregation dispersive liquid-liquid microextraction and central composite design for simultaneous preconcentration and determination of lead and cadmium in food and water samples | Rouhollah Khani,Shemirani Farzaneh,Saeedzadeh Amiri Nasibeh | پنجمین سمینار دو سالانه کمومتریکس ایران | 2015-11-25 |
| 30 | Multivariate calibration methods for simultaneous multicomponent determination of of two synthetic dyes in fruit juice samples | Rouhollah Khani,Rahmanian Reza | پنجمین سمینار دو سالانه کمومتریکس ایران | 2015-11-25 |
| 31 | Combination of partial least squares method and dispersive liquid liquid microextraction based on ionic liquid for simultaneous determination of trace amounts of heavy metals | Rouhollah Khani, | نوزدهمین سمینار شیمی تجزیه ایران | 2013-02-26 |
| 32 | Simultaneous spectrophotometric determination of phenolic acids in aqueous media using the partial least squares method | Rouhollah Khani,, | پانزدهمین کنگره شیمی ایران | 2011-09-04 |
| 33 | Combination of ionic liquid based on dispersive liquid-liquid microextraction and flame atomic absorption spectrometry for preconcentration and determination of nickel and manganese in water and food samples | Rouhollah Khani, | هفد همین سمینار شیمی تجزیه ایران | 2010-09-12 |
| 34 | Optimization of dispersive liquid-liquid microextraction based on ionic liquid for preconcentration and determination of copper in water samples using response surface methodology and experimental design | Rouhollah Khani | دومین سمینار دوسالانه کمومتریکس ایران - دانشگاه ارومیه | 2009-10-28 |