Volume & Issue: Volume 7, Issue 1, January 2020 
4. A Green Enrichment Method of Copper, Manganese and Nickel in Water Samples via Cloud Point Extraction

Pages 49-60

Ragaa El Sheikh; Mohammed Shaltout; Kamal El Nabawy; Ayman A. Gouda

6. Standard Addition Connected to Selective Zone Discovering for Quantification in the Unknown Mixtures

Pages 77-87

Mahdieh Ghaffari; Farnaz Farahmand; Sanaz Sajedi-Amin; Abdolhossein Naseri

8. Nanoalumina Modified Carbon Paste Electrode for Sensitive and Rapid Determination of Hypochlorite Ion by Differential Pulse Voltammetry

Pages 99-109

Maryam Malmir; Abbas Afkhami; Tayyebeh Madrakian; Farzaneh Soltani-Felehgari; Elaheh Madrakian

9. Naked Eye Chemosensor for the Qualitative and Quantitative Determination of Oxalate Ions Based on Indicator Displacement Assay

Pages 111-129

Habibollah Khajehsharifi; Amin Hemmati Yadkury; Ardeshir Shokrollahi; Mohammad Bordbar