Objective
- Make PVA/clay beads
- dye adsorption UV-Vis
- Na montmorillonite dye uptake with MG
- make solutions for Pb and Hg metals for ICP
Lab Protocol
Na Montmorillonite uptake
- use ~5 mg Na montmorillonite
- 4.5 g of MG dye
- concentrations to aim for for MG 28, 50, 75, and 100 ppm.
Data
- Na Montmorillonite MG uptake
- actual concentrations of MG used 29.3, 50, 73, and 106 ppm
- MG conc. 29.3 ppm, Na mont 0.00422 g, MG used 4.53744 g
- MG conc. 29.3 ppm, Na mont 0.00532 g, MG used 4.50660 g
- MG conc. 50 ppm, Na mont 0.00353 g, MG used 4.50054 g
- MG conc. 50 ppm, Na mont 0.00511 g, MG used 4.53660 g
- MG conc. 73 ppm, Na mont 0.00297 g, MG used 4.50527 g
- MG conc. 73 ppm, Na mont 0.00223 g, MG used 4.61800 g
- Mg conc. 106 ppm, Na mont 0.00409 g, MG used 4.52275 g
- MG conc. 106 ppm, Na mont 0.00523 g, MG used 4.50385 g
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