User:Madeleine Y. Bee/Notebook/CHEM-582 Experimental Chemistry II/2015/02/04

PVA-Alg Bead Synthesis

Main project page Previous entry      Next entry

February 4, 2015 MG Calibration curve Up-scale PVA-Alg-NaMT synthesis PVA-Alg-Halocite synthesis Procedures Malachite Green Calibration Curve Concentrations: 0 ppm, 0.20 ppm, 0.50 ppm, 1.1 ppm, 1.4 ppm, 1.7 ppm, and 2.0 ppm ppm = mg/L 2000 ppm = 2000 mg MG/L * 0.050 L = 100 mg MG in 50 mL = 0.1 g 2 ppm: (2000ppm)x=(2ppm)(50mL) > x = 0.05 mL = 50 uL 1.7 ppm: (2ppm)x=(1.7ppm)(2mL) > x=1.7mL=1700 uL 1.4 ppm: (2ppm)x=(1.4ppm)(2mL) > x=1400 uL 1.1 ppm: (2ppm)x=(1.1ppm)(2mL) > x=1100 uL 0.50 ppm: (2ppm)x=(0.5ppm)(2mL) > x=500 uL 0.20 ppm: (2ppm)x=(0.2ppm)(2mL) > x=200 uL water blank <br.> Up-Scale PVA-Alg-NaMT Synthesis PVA: 3.999 g Alginate: 0.64 g NaMT: 0.401 g New PVA-Alg-Halocite Synthesis PVA: 1.021 g Alginate: 0.16 g Halloysite: 0.109 g Calcium chloride:8.44 g Citric acid ~12g (ran out!) Notes Forgot to watch up-scale PVA-Alg-NaMT PVA-Alg-Halocite beads fall apart Friday: MG absorption