User:Samiye Yaman/Notebook/Lab 581/2012/09/28: Difference between revisions

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==Data==
==Data==
* Add data and results here...
 
*The films after the cross-linking was thicker, stiffer and more sticky.  
 
*The films will be kept under water until conductivity of each film is measured.


==Notes==
==Notes==

Revision as of 08:50, 3 October 2012

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Objective

Description

Part A

  • Prepare dilutions for each of the filtrate obtained 26/09/2010. By adding 0.2 ml from filtare and 9.8 HPLC water. total of 9 dilution will be obtained. These dilutions will be used to compare with the standard dilutions prepared on 26/09/2012.

Part B

Cross-link films with 1 ml of gluteraldhyde.

-Wait until the temperature of the solution reached to 70 C to add 0.1 g of PVOH -An hour later, the film was taken out of the solution and washed couple times with distilled water before placing in to a 1% aqueous HCL solution for half an hour. -Film pieces are removed from the solution and placed in to a 0.2 M of Sodium bicarbonate solution and left under the hood for 15 minutes . (no heat/no stirring)

Data

  • The films after the cross-linking was thicker, stiffer and more sticky.
  • The films will be kept under water until conductivity of each film is measured.

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.