User:Madeleine Y. Bee/Notebook/CHEM-581 Experimental Chemistry/2014/09/17

CHEM 581: Experimental Chemistry

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September 17, 2014 Procedures Complete Exfoliated Clay Film Synthesis Procedure detailed by Dr Hartings Warm 150mL of Sodium Sulfate Solution at 80C for 15 minutes Place film in Sodium Sulfate Solution at 80C for 1 hour with gentle stirring Warm 150mL of 1% HCl at 80C for 15 minutes Place film in 1% HCl Solution at 80C for 30 minutes with gentle stirring Place film in Sodium Bicarbonate Solution for 15 minutes at room temperature with gentle stirring Complete NaMT Cation Exchange Continued from 9/10/2014 Centrifuge: 4000 rpm, 30 min, 4°C Solution starting weight: 27.45 g Collect supernatant first time Wash with H2O Wash with EtOH Wash with H2O Wash with EtOH Dry in oven at 90C overnight Grind with a mortar and pestle Store in a dessicator UV-vis Measurements Dilute 200 ppm solutions 100x (1/1)(V)=(1/100)(10mL) V= 100 uL in 10 mL Dilute 80 ppm solutions 50x (1/1)(V)=(1/50)(10mL) V= 200 uL in 10 mL Take UV-vis of diluted solutions and 8 and 2 ppm solutions <br.> pXRD Measurements Sample prepped on 9/12/2014 Hartings- NaMT Madeleine & Alicia- 8 ppm James- 2 ppm James- PVA Eleni- 80 ppm Andrew- 200 ppm Instrument parameters on Dr Hartings OWW