User:Tamanika Tinsley/Notebook/Chem 581 Biomaterials Design Lab/2014/08/29: Difference between revisions
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|style="background-color: #F2F2F2" align="center"| | |style="background-color: #F2F2F2" align="center"|[[File:Report.png|frameless|link={{#sub:{{FULLPAGENAME}}|0|-11}}]][[{{#sub:{{FULLPAGENAME}}|0|-11}}|Main project page]]<br />{{#if:{{#lnpreventry:{{FULLPAGENAME}}}}|[[File:Resultset_previous.png|frameless|link={{#lnpreventry:{{FULLPAGENAME}}}}]][[{{#lnpreventry:{{FULLPAGENAME}}}}{{!}}Previous entry]] }}{{#if:{{#lnnextentry:{{FULLPAGENAME}}}}|[[{{#lnnextentry:{{FULLPAGENAME}}}}{{!}}Next entry]][[File:Resultset_next.png|frameless|link={{#lnnextentry:{{FULLPAGENAME}}}}]]}} | ||
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*Make a standard curve to determine the molar absorptivity of Malachite Green | *Make a standard curve to determine the molar absorptivity of Malachite Green | ||
*Two sets are to be prepared; each set includes a different kind of film (Polymer and Polymer+Clay). The weights of the films should be recorded as well. | *Two sets are to be prepared; each set includes a different kind of film (Polymer and Polymer+Clay). The weights of the films should be recorded as well. | ||
(Description from Dr. Hartings lab notebook [http://openwetware.org/wiki/User:Matt_Hartings/Notebook/AU_Biomaterials_Design_Lab/2014/09/03 Dr. Hartings] | |||
==Data== | ==Data== | ||
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==2. | ==2.Mass of films== | ||
Samples of film (polymer-only and polymer+clay) were placed in scintillation vials with MG solutions of differing concentrations. The initial masses and concentrations can be found below in Figure 1. | |||
Figure1. Table of masses and dilutions needed for UV VIS analysis. | |||
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Latest revision as of 00:16, 27 September 2017
Project name | Main project page Previous entry Next entry |
Aug 29-Completing film synthesis
ObjectiveCompleting film synthesis, starting new film synthesis, and making stock Malachite green solutions. Description
PVA weight-1.0029g (Polymer only) PVA weight-1.0038g (Polymer and clay) Na montmorillonite-0.1105g
(Description from Dr. Hartings lab notebook Dr. Hartings DataStock Solutions were prepared by Dr. Hartings
2. 1% wt. HCl Solution
3. 0.2M Sodium Bicarbonate Solution
Notes and calculations1.Malachite green solutions ppm (mass/mass)Stock solution ; 200ppm = 0.02%
The mL of stock solution needed = final mL x the solution concentration / stock solution concentration
Solution Calculations in the same order as the procedure
These standards were shared between Chem581, therefore some standards were made in larger amounts. A representative from each group help to prepare the standards. We (AMT) prepared the 0.20 ppm and 0.50 ppm Malachite Green Stock Solutions. Melvin, Becky, and Eleni prepared the 1.1 ppm and 1.4 ppm Malachite Green Stock Solutions. Madeleine and Alicia prepared the 1.7 ppm and 2.0 ppm Malachite Green Stock Solutions. See Madeleine's 8/29 Page for their calculations. James, Jake, and Mary prepared the 8.0 ppm, 80.0 ppm, and 200.0 ppm Malachite Green Stock Solutions. See James's 8/29 Page for their calculations.
2.Mass of filmsSamples of film (polymer-only and polymer+clay) were placed in scintillation vials with MG solutions of differing concentrations. The initial masses and concentrations can be found below in Figure 1. Figure1. Table of masses and dilutions needed for UV VIS analysis. |