User:Matt Hartings/Notebook/AU Biomaterials Design Lab/2014/08/29: Difference between revisions
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## Place film in Sodium Bicarbonate Solution for 15 minutes at room temperature with gentle stirring | ## Place film in Sodium Bicarbonate Solution for 15 minutes at room temperature with gentle stirring | ||
# Starting new film synthesis | # Starting new film synthesis | ||
## Use [[User:Matt_Hartings/Notebook/AU_Biomaterials_Design_Lab/2014/08/27|Wednesday's Procedure]] to make new 10% clay-polyvinyl alcohol | ## Use [[User:Matt_Hartings/Notebook/AU_Biomaterials_Design_Lab/2014/08/27|Wednesday's Procedure]] to make new 10% clay-polyvinyl alcohol film | ||
### It was 10% by weight clay because we used 1g of PVA and 0.11g of clay | |||
## I also want you to make a 5% clay film using the appropriate amount of clay per 1 g of PVA. | |||
# Malachite Green Solutions | |||
## We need to make the following solutions | |||
### 25mL 0.20ppm Malachite Green | |||
### 25mL 0.50ppm Malachite Green | |||
### 25mL 1.1ppm Malachite Green | |||
### 25mL 1.4ppm Malachite Green | |||
### 25mL 1.7ppm Malachite Green | |||
### 50mL 2.0ppm Malachite Green | |||
### 50mL 8.0ppm Malachite Green | |||
### 50mL 80.0ppm Malachite Green | |||
### 50mL 200.0ppm Malachite Green | |||
#### Note: I suggest that the groups talk amongst themselves to determine who is going to make which samples so that we aren't making duplicate. Hint: Someone needs to make the first stock solution that all of the other solutions are made from. Also: ppm is a mass/mass concentration. | |||
## Take a UV-Visible spectrum of the 0.2ppm to 8ppm standards. | |||
## Make a standard curve to determine the molar absorptivity of Malachite Green | |||
==Data== | ==Data== |
Revision as of 17:33, 28 August 2014
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ObjectiveCompleting film synthesis, starting new film synthesis, and making stock Malachite green solutions. Description
Data
NotesThis area is for any observations or conclusions that you would like to note.
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