User:Andrew K Farag/Notebook/CHEM-490/2014/09/16: Difference between revisions
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I added only 25microliter of NaOH this time, so the pH was set around 9 as it is supposed to be according to the paper I attached earlier last week. | I added only 25microliter of NaOH this time, so the pH was set around 9 as it is supposed to be according to the paper I attached earlier last week. | ||
Dr. Hartings asked to collect through precipitation. When I worked on the QDs [User:Matt Hartings/Notebook/AU Biomaterials Design Lab/2014/02/06|last year]], about 200mL of chilled ethanol was added to the mixture of about 70mL. The mixture I have now is around 12mL so I only added 17ml of ethanol to 6mL of the solutions (one prepared from HgCl2 and the other from HgNO3). | Dr. Hartings asked to collect through precipitation. When I worked on the QDs [[User:Matt Hartings/Notebook/AU Biomaterials Design Lab/2014/02/06|last year]], about 200mL of chilled ethanol was added to the mixture of about 70mL. The mixture I have now is around 12mL so I only added 17ml of ethanol to 6mL of the solutions (one prepared from HgCl2 and the other from HgNO3). | ||
Revision as of 16:23, 16 September 2014
 Biomaterials Design Lab
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ProcedureThe same procedure of synthesis was used. The variac this time was set on 17/100 to match a temperature around 30C. I added only 25microliter of NaOH this time, so the pH was set around 9 as it is supposed to be according to the paper I attached earlier last week. Dr. Hartings asked to collect through precipitation. When I worked on the QDs last year, about 200mL of chilled ethanol was added to the mixture of about 70mL. The mixture I have now is around 12mL so I only added 17ml of ethanol to 6mL of the solutions (one prepared from HgCl2 and the other from HgNO3). |
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