User:Samiye Yaman/Notebook/Lab 571/2011/09/06

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Entry title

Objective

Description

- A zein solution of 10% with ethanol, 90% with glycerol and 10% with zein weight basis is formed.

-5 g of the solution is placed in to a plastic petri dish whose diameter is 9 cm. The plastic petri dish is swirled until it is coated.

- The plastic petri dish is placed in an oven(40 degree celcius) for 24 hours.

Data

0.3 g glycerol x 1 ml/1.261 g = 0.238 ml glycerol

-The film layer was extremely thin and easily pulled of from the petri dish.

-It had a transparent yellow color and curved right after pulled from the petri dish.


File:Image:301009 10150401028238832 754878831 9893024 972389191 n.jpg

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.



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