User:Jerinbrooks/Notebook/JB:481:18/2018/11/09

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Objective

  • Make 10% Chitosan with 10% HCl to see if that can be used in place of PVA to hold montmorillonite. Learn how to used the SEM and take photos of PVA and PVA/clay beads.

Lab Protocol

Chitosan 
  • Tube 1: 5.03225 g chitosan,
45.01566 g 10% HCl
  • Tube 2: 4.96347 g chitosan,
45.19017 g 10% HCl

Data

  • pva

PVA 1 0001.jpg

PVA 1 0002.jpg

PVA/clay beads

PVA clay 1 0003.jpg

PVA clay 1 0005.jpg

PVA clay 1 0001.jpg

PVA clay 1 0002.jpg

PVA clay 1 0006.jpg

New Samples of PVA beads DSC

  • sample 1: pan mass 40.44 mg, sample mass 3.83 mg
  • sample 2: pan mass 40.53 mg, sample mass 3.73 mg
  • reference pan: 40.12 mg

MG dye uptake for PVA beads

  • sample 1: beads 0.10146 g, 0.5 ppm MG 5.00681 g
  • sample 2: beads 0.10023 g, 1.00 ppm MG 5.00132 g
  • sample 3: beads 0.10032 g, 1.53 ppm MG 5.04375 g
  • sample 4: beads 0.10070 g, 3 ppm MG 5.02209 g
  • sample 5: beads 0.10068 g, 8.88 ppm MG 5.02565 g
  • sample 6: beads 0.10010 g, 15.3 ppm MG 5.01107 g
  • sample 7: beads 0.10009 g, 25.3 ppm MG 5.00905 g
  • sample 1A: beads 0.10007 g, 0.5 ppm MG 5.02098 g
  • sample 2A: beads 0.10089 g, 1.00 ppm MG 5.02039 g
  • sample 3A: beads 0.10088 g, 1.53 ppm MG 5.01322 g
  • sample 4A: beads 0.99983 g, 3 ppm MG 5.00572 g
  • sample 5A: beads 0.10095 g, 8.88 ppm MG 5.02091 g
  • sample 6A: beads 0.10050 g, 15.3 ppm MG 5.00876 g
  • sample 7A: beads 0.10083 g, 25.3 ppm MG 5.02333 g