Difference between revisions of "User:Keyun Wang/Notebook/Experimental Biological Chemistry I/2013/01/29"

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|style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</span>
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|style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Experimental Biochemistry II</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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|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]]&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}}{{#if:{{#lnnextentry:{{FULLPAGENAME}}}}|[[{{#lnnextentry:{{FULLPAGENAME}}}}{{!}}Next entry]][[File:Resultset_next.png|frameless|link={{#lnnextentry:{{FULLPAGENAME}}}}]]}}
 
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==Entry title==
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==Purpose==
* Insert content here...
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* Start making sample Silver film with proposed protocol
 +
 
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==Procedure==
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* 2.87g of AgNO<sub>3</sub> was weighted out and placed in a 50mL Erylenmeyer flask.
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* 0.3g of Laponite clay was weighted out and placed in same Erlenmeyer flask as above.
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* The 2.87g of AgNO<sub>3</sub> was calculated in the following ways:
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  Cationic exchange capacity of Laponite: 0.55 milliequivilient/gram
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  Weight % of silver to be exchanged in Clay: 95%
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  Calculation is shown as follows:
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  0.3 g LMT × (55 meqv/100 g LMT) × (1 mol Ag<sup>+</sup>/1000 meqv) × (107.86 g Ag<sup>+</sup>/1 mol Ag<sup>+</sup>) × (1 mol Ag<sup>+</sup>/1 mol AgNO<sub>3</sub>) × (1 mol AgNO<sub>3</sub>/169.87 g AgNO<sub>3</sub>) × 95% = 0.00009953 g AgNO<sub>3</sub>
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* 10mL of 50/50 water/ethanol solution was made by combining 5mL of water and 5mL of ethanol in a 10mL graduated cylinder.
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* 10mL of water/ethanol solution was poured into Erylenmeyer flask along with a stir bar.
 +
* The Erylenmeyer flask containing the solution is covered with aluminum foil and placed on stir plate under fume hood for 24 hours.
 +
 
 +
==Observations==
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* The clay and AgNO<sub>3</sub> solution appeared white in color during stirring.
 +
 
  
  

Latest revision as of 21:23, 26 September 2017

Owwnotebook icon.png Experimental Biochemistry II Report.pngMain project page
Resultset previous.pngPrevious entry      Next entryResultset next.png

Purpose

  • Start making sample Silver film with proposed protocol

Procedure

  • 2.87g of AgNO3 was weighted out and placed in a 50mL Erylenmeyer flask.
  • 0.3g of Laponite clay was weighted out and placed in same Erlenmeyer flask as above.
  • The 2.87g of AgNO3 was calculated in the following ways:
  Cationic exchange capacity of Laponite: 0.55 milliequivilient/gram
  Weight % of silver to be exchanged in Clay: 95%
  Calculation is shown as follows:
  0.3 g LMT × (55 meqv/100 g LMT) × (1 mol Ag+/1000 meqv) × (107.86 g Ag+/1 mol Ag+) × (1 mol Ag+/1 mol AgNO3) × (1 mol AgNO3/169.87 g AgNO3) × 95% = 0.00009953 g AgNO3
  • 10mL of 50/50 water/ethanol solution was made by combining 5mL of water and 5mL of ethanol in a 10mL graduated cylinder.
  • 10mL of water/ethanol solution was poured into Erylenmeyer flask along with a stir bar.
  • The Erylenmeyer flask containing the solution is covered with aluminum foil and placed on stir plate under fume hood for 24 hours.

Observations

  • The clay and AgNO3 solution appeared white in color during stirring.