1. sajjad abbasi , Ali Sarafraz Yazdi , amir hasan amiri , Preparation of Fe3O4@polypyrrole/carbon nanospheres and their application for solid-phase extraction of polycyclic aromatic hydrocarbons (PAHs) from environmental water samples , بیست وسومین سمینار شیمی تجزیه ایران , 2016-08-30
  2. amene zendegishiraz , Ali Sarafraz Yazdi , Synthesis and characterization of composite polymer, polyethylen glycol grafted flower-like...... , سیزدهمین همایش ملی شیمی دانشگاه پیام نور , 2016-05-11
  3. Ali Sarafraz Yazdi , Nourolhoda Razavi , Separation and determination of phthalate esters in milk using Chitosan grafted Polyaniline in dispersive solid phase extraction coupled with high-performance liquid chromatography , سیزدهمین همایش ملی شیمی دانشگاه پیام نور , 2016-05-11
  4. amene zendegishiraz , Ali Sarafraz Yazdi , Polyethylene glycol grafted flower-like cupric nano oxide for hollow fiber solid phase microextraction of hexaconazole, penconazole and diniconazole in vegetable samples , بیست و دومین سمینار شیمی تجریه ایران , 2016-01-26
  5. Ali Sarafraz Yazdi , Glamhossein Ronagi , hossein vatani , Iman Razavipanah , Amir Hassan Amiri , Multiwalled carbon nanotubes/polypyrrole/SiO2 composite prepared by electrodeposition technique as a new solid phase microextraction sorbent for preconcentrationon of BTEX , بیستمین کنفرانس شیمی تجزیه ایران , 2014-02-25
  6. Ali Sarafraz Yazdi , Glamhossein Ronagi , hossein vatani , Iman Razavipanah , Amir Hassan Amiri , Electropolymerized polypyrrole/multiwalled carbon nanotubes/TiO2 composite on stainless steel wire for solid-phase microextraction of BTEX coupled to GC-FID , بیستمین کنفرانس شیمی تجزیه ایران , 2014-02-25
  7. Ali Sarafraz Yazdi , Amir Hassan Amiri , Glamhossein Ronagi , Hossein Eshtiagh Hosseini , Solid-phase microextraction based sol–gel technique using poly(ethylene glycol) grafted multi-walled carbon nanotubes as extracting phase , نوزدهمین سمینار شیمی تجزیه ایران , 2013-02-26
  8. Ali Sarafraz Yazdi , Amir Hassan Amiri , Glamhossein Ronagi , Hossein Eshtiagh Hosseini , a novel solid phase microextraction using cadted fiber based sol gel techinque using poly (ethylene glycol) grafted multi-walled carboon nanotubes for determination of BTEX in water sample with gas chromatography falm ionization detector , پانزدهیمن کنگره شیمی ایران دانشگاه بوعلی سینا همدان , 2011-09-04
  9. Ali Sarafraz Yazdi , , A new high-speed hollow fiber based liquid phase microextraction method using volatile organic solvent for determination of aromatic amines in environmental water samples prior to high-performance liquid chromatography , HPLC 2009-34th International Symposium on High Performance Liquid Phase Separations and related Techniques , 2009-06-28
  10. Ali Sarafraz Yazdi , امير حسين اميري , Separation and Determination of Benzene, Toluene, Ethylbenzene and O-Xylene Compounds in Water Using Directly Suspended Droplet Microextraction coupled with Gas Chromatography-Flame Ionization Detector , 32th International Symposium on Capillary Chromatography and 5th GC×GC Symposium , 2008-05-26
  11. Ali Sarafraz Yazdi , , Separation and determination of Antidepressant drugs ..... , 29th International Symposium on Capillary Chromatography , ITALY , 2006-04-08
  12. Ali Sarafraz Yazdi , Liquid-liquid-liquid phase microextraction of aromatic amines in water using crown ethers by high-performance liquid chromatography , 25th International Symposium 0n CHROMATOGRAPHY , 2004-10-04
  13. Ali Sarafraz Yazdi , Studies on separation and determination of several cephalosporin antibiotics by high performance liquid Chromatography , 24th international symposium on chromatography , 2002-08-23
  14. Ali Sarafraz Yazdi , separation and determination of some inorganic anions with phenylboronic acid as a derivatizing reagent ... , 24th international symposium on chromatography , 2002-08-23
  15. Ali Sarafraz Yazdi , Separation and determination of tetracycline antibiotics (tcs) using high performancel liquid Chromatography , international symposium on (hplc)high performace liqind plane separation and related techniquen. abs , 2001-08-23