User:Samiye Yaman/Notebook/Lab 581/2013/02/13: 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"|<html><img src="/images/9/94/Report.png" border="0" /></html> [[{{#sub:{{FULLPAGENAME}}|0|-11}}|Main project page]]<br />{{#if:{{#lnpreventry:{{FULLPAGENAME}}}}|<html><img src="/images/c/c3/Resultset_previous.png" border="0" /></html>[[{{#lnpreventry:{{FULLPAGENAME}}}}{{!}}Previous entry]]<html>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</html>}}{{#if:{{#lnnextentry:{{FULLPAGENAME}}}}|[[{{#lnnextentry:{{FULLPAGENAME}}}}{{!}}Next entry]]<html><img src="/images/5/5c/Resultset_next.png" border="0" /></html>}}
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==Description==
==Description==
*masses of the hydrogels after the swelling study were measured.
 
*Hydrogels (synthesized on http://openwetware.org/wiki/User:Samiye_Yaman/Notebook/Lab_581/2013/02/06) were sink at the bottom of the beaker. By using sonicator, the hydrogel were separated. After the vacuum filtration, observations under the microscope were made. The hydrogels were placed in to a lyophilizer for 24 hours.
 
*Rest of solution was separated into layers by using separatory funnel. Water was used.
 
==Data==
==Data==
*Hydrogels (synthesized on http://openwetware.org/wiki/User:Samiye_Yaman/Notebook/Lab_581/2013/02/06) were sink at the bottom of the beaker. By using sonicator, the hydrogel were separated. Rest of solution was separated into layers by using seperatory funnel. Water was used.


* Hydrogels placed in to various pH of HCl (http://openwetware.org/wiki/User:Samiye_Yaman/Notebook/Lab_581/2013/02/08) did not dissolve in any of the pHs.  
* Hydrogels placed in to various pH of HCl (http://openwetware.org/wiki/User:Samiye_Yaman/Notebook/Lab_581/2013/02/08) did not dissolve in any of the pHs.  
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3)Final mass of PVOH (MW: 89,000-98,000)=0.7608g
3)Final mass of PVOH (MW: 89,000-98,000)=0.7608g
*Photos from the microscope
[[Image:Hydrogel1.png|400px|]]
[[Image:Hydrogels2.png|400px|]]
[[Image:Hydrogels3.png|400px|]]
[[Image:Hydrogels4.png|400px|]]
[[Image:Hydrogels5.png|400px|]]


==Notes==
==Notes==

Latest revision as of 22:27, 26 September 2017

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Objections

Description

  • masses of the hydrogels after the swelling study were measured.
  • Rest of solution was separated into layers by using separatory funnel. Water was used.

Data

1)Final mass of PVOH (MW: 146,000)=0.4526g

2)Final mass of PVOH (MW: 130,000)=0.8244g

3)Final mass of PVOH (MW: 89,000-98,000)=0.7608g

  • Photos from the microscope

Notes
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