User:Sara K. Mattson/Notebook/Chemistry 671/2016/10/19: Difference between revisions

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[[Image:AgNP pH12 fructose 0mM-.25mM.jpg|600px]]
[[Image:AgNP pH12 fructose 0mM-.25mM.jpg|600px]]
==Data==
# Graphs for 0mM Fructose
Absorbance v. Wavelength
[[Image:.125mM fructose AgNP myoglobin.png|600px]]


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Revision as of 11:28, 26 October 2016

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UV-VIS

Purpose

To observe the change in absorbance of AgNO3 NP's at pH 4-12 for fructose at concentrations 0.125mM and 0.25mM

Procedure

  1. Solutions were prepared on 10/18/2016
    1. The solutions had been heated in an 80C oven for four hours and then sat at room temperature. UV-Vis spectra were taken of each sample from 200-800nm.
    2. The test tubes were kept completely wrapped in tin foil the entire time, because AgNO3 is light sensitive.

Solutions

  1. All of the solutions for both concentrations of fructose were cloudy. Below are photos of pH 11 and 12 respectively, going in order from 0mM Fructose- 0.25mM fructose

Ag NP's, myoglobin, pH11: 0mM, .0625mM, .125mM, .25mM Fructose

Ag NP's, myoglobin, pH12: 0mM, .0625mM, .125mM, .25mM Fructose

Data

  1. Graphs for 0mM Fructose

Absorbance v. Wavelength