User:Moira M. Esson/Notebook/CHEM-581/2012/11/16: Difference between revisions
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|style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</span> | |style="background-color: #EEE"|[[Image:owwnotebook_icon.png|128px]]<span style="font-size:22px;"> Project name</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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| colspan="2"| | | colspan="2"| | ||
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| PVOH(22K) 1.0073+1.0mL GA+1mL porphyrin prepared 10/24||0.79 | | PVOH(22K) 1.0073+1.0mL GA+1mL porphyrin prepared 10/24||0.79 | ||
|- | |- | ||
| PVOH(22K) 1. | | PVOH(22K) 1.0067g+0.5mL GA+1mL porphyrin prepared 10/26||1.01 | ||
|- | |- | ||
| PVOH(22K) 1.0067g+1mL GA+1mL porphyrin||1.27 | | PVOH(22K) 1.0067g+1mL GA+1mL porphyrin||1.27 | ||
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| PVOH(22K) 1.05225g+ 0.5mL GA+1mL porphyrin prepared 10/24||0.8 | | PVOH(22K) 1.05225g+ 0.5mL GA+1mL porphyrin prepared 10/24||0.8 | ||
|} | |} | ||
==Standardization of sodium bicarbonate== | ==Standardization of sodium bicarbonate== | ||
New weights of PHP used: | New weights of PHP used: | ||
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| 3||1.13518 | | 3||1.13518 | ||
|} | |} | ||
<br> | <br> | ||
Titrations for sodium bicarbonate solution: | |||
{| {{table}} | {| {{table}} | ||
| align="center" style="background:#f0f0f0;"|'''Trial number''' | | align="center" style="background:#f0f0f0;"|'''Trial number''' | ||
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| 3||19.2||29||9.8 | | 3||19.2||29||9.8 | ||
|} | |} | ||
==Acetylation== | |||
Titration information for acetylation: | |||
*The general protocol for titrations was used. The sodium bicarbonate solution prepared[[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/09|2012/11/09]] was used as the base. Three drops of bromothymol blue was added each PHP solution. | |||
<br> | |||
{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''Trail Number''' | |||
| align="center" style="background:#f0f0f0;"|'''Initial Volume(mL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Final Volume(mL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Total volume(mL)''' | |||
|- | |||
| 1||0.5||42.5||42 | |||
|- | |||
| 2||0||43.2||43.2 | |||
|- | |||
| 3||0.1||42.8||42.7 | |||
|} | |||
==Swelling for GA films== | ==Swelling for GA films== | ||
General Protocol for film swelling: | General Protocol for film swelling: | ||
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| Na2SO4||1.24 | | Na2SO4||1.24 | ||
|} | |} | ||
Note: Two films that will be tested for color change were stored in 2wt% sulfuric acid. These films will undergo color change testing next time. The two films are: | |||
#2.4394 PVOH(22K)+0.5mL GA+0.99mL porphyrine | |||
#1.02114g PVOH(22K)+0.5mL+1mL porphyrine | |||
==Observations== | ==Observations== | ||
*PVOH(22K) crosslinked GA+NaMT that was placed in Na<sub>2</sub>SO<sub>4</sub> [[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/ | *PVOH(22K) crosslinked GA+NaMT that was placed in Na<sub>2</sub>SO<sub>4</sub> [[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/14|2012/11/14]] completely dissolved. The solution was very cloudy and almost had a powdery look. | ||
*PVOH(22K) crosslinked GA+NaMT that was placed in CuSO<sub>4</sub> [[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/ | *PVOH(22K) crosslinked GA+NaMT that was placed in CuSO<sub>4</sub> [[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/14|2012/11/14]] completely dissolved. | ||
*PVOH(22K) crosslinked GA that were placed in Na<sub>2</sub>SO<sub>4</sub> and CuSO<sub>4</sub> [[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/ | *PVOH(22K) crosslinked GA that were placed in Na<sub>2</sub>SO<sub>4</sub> and CuSO<sub>4</sub> [[User:Moira_M._Esson/Notebook/CHEM-581/2012/11/14|2012/11/14]] were completely intact. This indicates that surfactant clay promotes the dissolution of films in salt solution. | ||
Latest revision as of 22:17, 26 September 2017
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Objectives
UV-vis porhyrin filmsGeneral protocol for UV-vis on porphyrin films:
Standardization of sodium bicarbonateNew weights of PHP used:
AcetylationTitration information for acetylation:
Swelling for GA filmsGeneral Protocol for film swelling:
Color Change of porphyrin filmsGeneral protocol for color change of porphyrin films:
Note: Two films that will be tested for color change were stored in 2wt% sulfuric acid. These films will undergo color change testing next time. The two films are:
Observations
|