List of Articles Spectrophotometry Open Access Article Abstract Page Full-Text 1 - Evaluation of two different extraction techniques on determination of 〖Pb〗^(+2) contents of wastes of dye manufacturing industries Maiid Mohammadhosseini Karim Zare Mohammad Saber Tehrani Open Access Article Abstract Page Full-Text 2 - Evaluation of Acrylamide Contents of Potato Crisps Sold in Iranian Markets R. Saeidi Asl M. Iraji Far M. Fahimdanesh Open Access Article Abstract Page Full-Text 3 - Estimated returns to scale with interval data in parallel manufacturing systems with shared resources احسان جعفری باقرآبادی Open Access Article Abstract Page Full-Text 4 - Formation of Doxycycline-Palladium Complex: Determination of Thermodynamic Parameters Using the KINFIT Program and determine of drug AZAR bagheri Open Access Article Abstract Page Full-Text 5 - Removal of some textile cationic dyes from industrial wastewater using modified gamma alumina nanoparticles Masoud Saadati Mortaza Iranifam Seyyed Iman Mosavi Open Access Article Abstract Page Full-Text 6 - Investigation of the effect of using titanium dioxide polymer nanocompounds on the packaging characteristics of polyethylene terephthalate beverage containers Majid Khani Mehdi Pordel Abolghasem Davoodnia Afshin Tavasoli Farsheh Open Access Article Abstract Page Full-Text 7 - UV-Visible spectrophotometry of Repaglinide in bulk and in formulation by using methyl orange as reagents Smita Sharma Mukesh Sharma Open Access Article Abstract Page Full-Text 8 - Evaluation of Metal Concentration (Hg, Zn, Cu, Co, Sn, Ag, Cr and Ni) in Influent & Effluent water of Dental Clinics' units Mohammadreza Malekipour Esfahani Farzaneh Shirani Maryam Ahmadi Shima Ghaderi 10.22034/jchr.2022.1959189.1555 Open Access Article Abstract Page Full-Text 9 - Interactions of β-lactoglobulin with Cationic Surfactants: Spectroscopy Study Zohreh Saadati