User:Rebeca Rodriguez/Notebook/Chem 471/2015/12/02

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Objective

  1. Run ICP on unreacted gold solutions and nanoparticles in solution (as well as for other groups)
  2. Run conductivity tests on same solutions
  3. Run UV-Vis on same solutions

Description

  1. Add experimental record here. Include what, how, and why...

Data

Sample Sample Number in ICP-OES Au (mg/mL)
Unreacted Au Solution #1 124 3.72
Unreacted Au Solution #2 125 3.84
Unreacted Au Solution #3 126 3.83
AuNP Solution #1 130 3.92
AuNP Solution #2 131 3.81
AuNP Solution #3 132 3.84
Average (mg/mL) Unreacted: 3.80 AuNP Solution: 3.86

The following graph shows the ICP measurements for unreacted gold solutions and nanoparticles in solution. These values are pretty high, which makes sense because of the amount of Au 3+ ions around the particles and dissolved in water.

Sample Conductivity (uS/cm)
Unreacted #1 575
Unreacted #2 282
Unreacted #3 297.1
AuNP #1 346
AuNP #2 330
AuNP #3 352

The values for the conductivity experiment do not make sense, because of the fluctuation in numbers. There should be a large value of conductivity because of the gold ions in solution.

For UV-Vis blank data, please see Michael's Openwetware for Dec. 2.

Notes

This area is for any observations or conclusions that you would like to note.


Use categories like tags. Change the "Course" category to the one corresponding to your course. The "Miscellaneous" tag can be used for particular experiments, as instructed by your professor. Please be sure to change or delete this tag as required so that the categories remain well organized.