User:Moira M. Esson/Notebook/CHEM-581/2012/09/12: Difference between revisions
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# Run DSC on crosslinked and uncrosslinked PVOH (MW 22000) films. | # Run DSC on crosslinked and uncrosslinked PVOH (MW 22000) films. | ||
==Clay Preparation== | ==Clay Preparation== | ||
General protocol for 100% Sodium montmorillinite(NaMT) exchange: | General protocol for 100% Bu<sub>3</sub>HdP<sup>+</sup> Sodium montmorillinite(NaMT) exchange: | ||
*In a 50mL Eerlenmeyer flask, weigh out ~ 2 grams of clay(NaMT) | *In a 50mL Eerlenmeyer flask, weigh out ~ 2 grams of clay(NaMT) | ||
*Add appropriate amount of Bu<sub>3</sub>HdP<sup>+</sup> | *Add appropriate amount of Bu<sub>3</sub>HdP<sup>+</sup> |
Revision as of 10:00, 16 October 2012
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Objectives
Clay PreparationGeneral protocol for 100% Bu3HdP+ Sodium montmorillinite(NaMT) exchange:
Preparation of 100% Bu3HdP+(NaMT) exchange: 2.0095 g Na-MT x (92 meqv/100 g Na-MT) x (1 mol Bu3HdP+/1000 meqv) x (100/100)% x (507.65 g Bu3HdP+/1 mol Bu3HdP+) = 0.9385 g Bu3HdP+
Preparation of 50% Bu3HdP+(NaMT) exchange: 2.0046 g Na-MT x (92 meqv/100 g Na-MT) x (1 mol Bu3HdP+/1000 meqv) x (50/100)% x (507.65 g Bu3HdP+/1 mol Bu3HdP+) = 0.4682 g Bu3HdP+
Fe3O4 coated NaMT preparationGeneral Protocol:
Notes:
Glutaraldehyde film preparationGeneral Protocol:
Glutaraldehyde safety:
Preparation: Actual mass PVOH(MW 22000) used= 0.5141g
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