Transcript Gold Nanoparticle Synthesis Experiment Updated September 2011 Gather Supplies • • • • • Safety goggles 500 mL Pyrex beaker distilled water salt Sodium Citrate (Prestone™ Super Radiator Flush) • • • • • pipette • Updated September 2011 heated Stirring plate 12-36 Volt power supply Alligator clips 24K Gold.

Gold Nanoparticle
Synthesis
Experiment
Updated September 2011
Gather Supplies
•
•
•
•
•
Safety goggles
500 mL Pyrex
beaker
distilled water
salt
Sodium Citrate
(Prestone™ Super Radiator
Flush)
•
•
•
•
•
pipette
•
Updated September 2011
heated Stirring
plate
12-36 Volt power
supply
Alligator clips
24K Gold coin or
wire
Gram scale
Measure 400 mL
distilled water
into a beaker.
Place it on the
heated stirring
plate.
Image by HighPoint Learning
Updated September 2011
Place the
copper wire or
foil into the
beaker.
Suspend the
gold wire or coin
with the red
alligator clip so
that the clip
does NOT touch
the water.
Image by HighPoint Learning
Updated September 2011
Pour in 2 mL
sodium citrate and
58 mg salt.
Image by HighPoint Learning
Updated September 2011
Start the stirrer.
Adjust the
alligator clip so it
does not touch
the water so that it
does not oxidize
and contaminate
your results.
Updated September 2011
Image by HighPoint Learning
Text box
This is a small
24K Chinese coin
purchased at a
local coin dealer.
Image by HighPoint Learning
Updated September 2011
Text box
Attach the black
alligator clip to the
copper. Turn on
the power supply
as well as the
stirring plate.
After about an
hour, the water
will turn pink.
Image by HighPoint Learning
Updated September 2011
This is a
simple car
battery charger
used as a
power supply.
Image by HighPoint Learning
Updated September 2011
After another
hour, the water
will look darker
red or purple.
Pour the resulting
liquid in a bottle
for future
experiments.
Image by HighPoint Learning
Updated September 2011
This module is one of a series designed to introduce faculty and high school
students to the basic concepts of nanotechnology. Each module includes a
PowerPoint presentation, discussion questions, and hands-on activities, when
applicable.
The series was funded in part by:
The National Science Foundation
Grant DUE-0702976
and the
Oklahoma Nanotechnology Education Initiative
Any opinions, findings and conclusions or recommendations expressed in the
material are those of the author and do not necessarily reflect the views of the
National Science Foundation or the Oklahoma Nanotechnology Education Initiative.
Updated September 2011
References
Lisensky, George. Synthesis of Gold Nanoparticles. (2011). Exploring the Nano World. Retrieved from
http://mrsec.wisc.edu/Edetc/nanolab/gold/index.html
Updated September 2011