User:Elizabeth Ghias/Notebook/Experimental Chemistry/2012/10/01: Difference between revisions
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|style="background-color: #EEE"|[[Image:BDLlogo_notext_lr.png|128px]]<span style="font-size:22px;"> Experimental Chemistry</span> | |style="background-color: #EEE"|[[Image:BDLlogo_notext_lr.png|128px]]<span style="font-size:22px;"> Experimental Chemistry</span> | ||
|style="background-color: #F2F2F2" align="center"| | |style="background-color: #F2F2F2" align="center"|[[File:Report.png|frameless|link={{#sub:{{FULLPAGENAME}}|0|-11}}]][[{{#sub:{{FULLPAGENAME}}|0|-11}}|Main project page]]<br />{{#if:{{#lnpreventry:{{FULLPAGENAME}}}}|[[File:Resultset_previous.png|frameless|link={{#lnpreventry:{{FULLPAGENAME}}}}]][[{{#lnpreventry:{{FULLPAGENAME}}}}{{!}}Previous entry]] }}{{#if:{{#lnnextentry:{{FULLPAGENAME}}}}|[[{{#lnnextentry:{{FULLPAGENAME}}}}{{!}}Next entry]][[File:Resultset_next.png|frameless|link={{#lnnextentry:{{FULLPAGENAME}}}}]]}} | ||
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==Objective== | ==Objective== | ||
To crosslink PVOH/glutaraldehyde and PVOH/PDMS/glutaraldehyde films, make a 1 g PVOH/glutaraldehyde film, make additional standards, and finish | To crosslink PVOH/glutaraldehyde and PVOH/PDMS/glutaraldehyde films, make a 1 g PVOH/glutaraldehyde film, make additional standards, and finish clay-CuSO<sub>4</sub> exchange (from 9/26). | ||
==Description== | ==Description== | ||
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<u>PVOH/PDMS/Glutaraldehyde Film</u> | |||
# 0.4 g PVOH and 0.1 g PDMS were dissolved in 5 mL of water on a hot plate. | |||
# Once dissolved, 1 mL of glutaraldehyde was added to the PVOH/PDMS | |||
# The mixture was allowed to stir without heat for 3 minutes | |||
# The film was poured into a dish and was left under the hood over the weekend | |||
<u>Clay-Copper Sulfate Exchange</u> | |||
# Three samples, each with 0.1 g of clay was measured out for the Na-MT, 100% CEC, 50% CEC, and Na-MT coated iron oxide | |||
# Each sample was placed in 10 mL of copper sulfate solution that was previously prepared. | |||
# The samples were stirred in the copper sulfate for either 1, 5, or 10 minutes. | |||
# The samples were then filtered. Both the filtrate and the filter paper were saved. | |||
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* When making the 1 g PVOH/glutaraldehyde film, after the glutaraldehyde was added the solution thickened to the point that the stir bar could no longer stir. The solution was reheated to see if it would thin, but it did not. | * When making the 1 g PVOH/glutaraldehyde film, after the glutaraldehyde was added the solution thickened to the point that the stir bar could no longer stir. The solution was reheated to see if it would thin, but it did not. | ||
* When conducting the exchange using the iron, during the filtering of the 10 minute sample, some of the iron passed through the filter. | |||
Latest revision as of 22:04, 26 September 2017
Experimental Chemistry | Main project page Previous entry Next entry |
ObjectiveTo crosslink PVOH/glutaraldehyde and PVOH/PDMS/glutaraldehyde films, make a 1 g PVOH/glutaraldehyde film, make additional standards, and finish clay-CuSO4 exchange (from 9/26). DescriptionCrosslinking Glutaraldehyde Films
Clay-Copper Sulfate Exchange
DataNo data was collected today. Notes
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