List of Articles Phosphotungstic Acid Open Access Article Abstract Page Full-Text 1 - An Environmentally Route for Synthesis of Triarylmethanes Catalyzed by Heteropolyphosphotungstic Acid in Water Azim Ziyaei Halimehjani Elham Vali Shamiri Seyyed Emad Hooshmand Open Access Article Abstract Page Full-Text 2 - Photocatalytic Degradation of Phenol in Water Solution by Phosphotungstic Acid on TiO2/ZnO Nanoparticles as supporting solid Marzieh Nasiriyan معصومه طباطبایی Seyed Abolghasem Mirhoseini Open Access Article Abstract Page Full-Text 3 - Photocatalytic Degradation of Phenol in Water Solution by Phosphotungstic Acid on TiO2/ZnO Nanoparticles as Supporting Solid Marzieh Nasiriyan معصومه طباطبایی Seyed Abolghasem Mirhoseini