User:Tamanika Tinsley/Notebook/Chem 581 Biomaterials Design Lab/2014/09/24: Difference between revisions
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The stock solution of Rhodamine 6G was at 159 micromoles. The concentrations for the standards are 1, 10, and 20 micromoles. | The stock solution of Rhodamine 6G was at 159 micromoles. The concentrations for the standards are 1, 10, and 20 micromoles. | ||
==Notes== | ==Notes on the start of the synthesis of films with cation exchanged clay== | ||
Today we made films using the cation exchange clays begun on September 10. One of the films was made using the tributylhexadecylphosphonium bromide that our group started on [[User:Michael_S._Bible/Notebook/581/2014/09/10|9/10]] and the other was made using (1-hexadecyl)triphenylphosphonium bromide that Eleni's group started synthesizing on [[User:Eleni_N._Kalivas/Notebook/CHEM-571/2014/09/10|9/10]]. | Today we made films using the cation exchange clays begun on September 10. One of the films was made using the tributylhexadecylphosphonium bromide that our group started on [[User:Michael_S._Bible/Notebook/581/2014/09/10|9/10]] and the other was made using (1-hexadecyl)triphenylphosphonium bromide that Eleni's group started synthesizing on [[User:Eleni_N._Kalivas/Notebook/CHEM-571/2014/09/10|9/10]]. | ||
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**Volume of water = '''7.2 mL''' | **Volume of water = '''7.2 mL''' | ||
====Concentrations of films soaked in R6G==== | |||
PVA films | |||
{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''PVA''' | |||
| align="center" style="background:#f0f0f0;"|'''Concentration (micromL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Mass of Vial (g)''' | |||
| align="center" style="background:#f0f0f0;"|'''Mass of Vial and Film (g)''' | |||
| align="center" style="background:#f0f0f0;"|'''Mass of Film (g)''' | |||
|- | |||
| 1||1||16.4096||16.5057||0.0961 | |||
|- | |||
| 2||10||16.5198||16.6298||0.11 | |||
|- | |||
| 3||20||16.3885||16.5115||0.123 | |||
|- | |||
| | |||
|} | |||
PVA with clay films soaked in R6G | |||
{| {{table}} | |||
| align="center" style="background:#f0f0f0;"|'''PVAC''' | |||
| align="center" style="background:#f0f0f0;"|'''Concentration (micromL)''' | |||
| align="center" style="background:#f0f0f0;"|'''Mass of Vial (g)''' | |||
| align="center" style="background:#f0f0f0;"|'''Mass of Vial and Film (g)''' | |||
| align="center" style="background:#f0f0f0;"|'''Mass of Film (g)''' | |||
|- | |||
| 4||1||16.3905||16.4411||0.0506 | |||
|- | |||
| 5||10||16.3518||16.4301||0.0783 | |||
|- | |||
| 6||20||16.3959||16.4812||0.0853 | |||
|- | |||
| | |||
|} | |||
The solutions were prepared by [http://openwetware.org/wiki/User:Eleni_N._Kalivas/Notebook/CHEM-571/2014/09/24#PVA_films_soaked_in_R6G Eleni Kalivas] | |||
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Revision as of 07:49, 24 September 2014
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Sept 24 - AA analysis of As samples
Objective
Objective from Dr. Hartings lab notebook Dr. Hartings' Notebook The original objective were modified, because the Arsenic lamp for the AA was burnt out. The new goal for the class was to set up an experiment with the PVA and PVA with clay films using Rhodamine 6G. This experiment will determine how well the films can filter out fluorescent contaminations from water. The stock solution of Rhodamine 6G was at 159 micromoles. The concentrations for the standards are 1, 10, and 20 micromoles. Notes on the start of the synthesis of films with cation exchanged clayToday we made films using the cation exchange clays begun on September 10. One of the films was made using the tributylhexadecylphosphonium bromide that our group started on 9/10 and the other was made using (1-hexadecyl)triphenylphosphonium bromide that Eleni's group started synthesizing on 9/10. Our cation exchanged clays were made as follows:
Concentrations of films soaked in R6GPVA films
PVA with clay films soaked in R6G
The solutions were prepared by Eleni Kalivas |