User:Anh Do/Notebook/CHEM 481 Polymer/2016/10/19

Project name

Main project page Previous entry      Next entry

Testing Beads' filtration ability - Heavy Metals 1. Preparation of solution for 20 ppm concentration 20 mL of metal solution + 80 mL water Solution with 21.16 mg ZnCl2 + 21.15 mg CuCl2 + 15.7 mg PbAc2 + 100 mL H2O Mass meassured: 2.Column Preparation Weight of beads inside Refer to dry weight from here Weight with beads: 12.138 g Weight of beads = 1.16 g 3. Procedure Follow this protocol Flow rate: 52 drops/ minute Preparation of Stock Solution 1. Zn - 100 ppm 0.02115 g of ZnCl2 in 100 mL 100mL*1L/1000mL*100mg Zn/1L*138.315 g/mol ZnCl2/65.38 g/mol Zn = 21.15 mg ZnCl2 Mass meassured: 0.0212 g 2. Cu - 100 ppm 0.0212 g of CuCl2 in 100 mL 100mL*1L/1000mL*100mg Cu/1L*134.45 g/mol CuCl2/63.54 g/mol Cu = 21.16 mg CuCl2 Mass meassured: 0.0214 g 3. Pb - 100 ppm 0.0157 g of PbAc2 in 100 mL 100mL*1L/1000mL*100mg Pb/1L*325.29 g/mol PbAc/207.2 g/mol Cu = 15.7 mg PbAc2 Mass meassured: 0.0158 g