User:Samiye Yaman/Notebook/Lab 581/2012/11/20: Difference between revisions

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*7 ml of sodium bicarbonate
*7 ml of sodium bicarbonate
*dissolve the PVOH with sodium bicarbonate.
*let the solution cool down
*add 1 mg of dye.stir it well.
*pour in to a teflon.let it dry




''' Part 2: Measure the dry mass of cross-linked gluteraldehyde film made on 14/11/2012 and cross-linked on 16/11/2012'''
''' Part 2: Measure the dry mass of cross-linked gluteraldehyde film made on 14/11/2012 and cross-linked on 16/11/2012'''


mass:0.6707g
dry mass:0.6707g


==Data==
==Data==


'''AA results'''
'''Dye Attachment'''
 
*Actual concentration measured by AA of each filtrates are very close to each other except the number 2(gluteraldhyde filtrate of 30 min). (we stop the measurement too early therefore actual concentration of this filtrate should be ignored)
 
*AA results supports the UV-vis results from 14/11/1012.


[[Image:Film_adsorption.png|1000px]]
[[Image:2012-11-20_13.12.02_%281%29.jpg|500px]]


==Notes==
==Notes==

Revision as of 11:18, 20 November 2012

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Objective

Description

Part 1: Prepare a film for dye attachment

  • 0.5 g PVOH 2200
  • 7 ml of sodium bicarbonate
  • dissolve the PVOH with sodium bicarbonate.
  • let the solution cool down
  • add 1 mg of dye.stir it well.
  • pour in to a teflon.let it dry


Part 2: Measure the dry mass of cross-linked gluteraldehyde film made on 14/11/2012 and cross-linked on 16/11/2012

dry mass:0.6707g

Data

Dye Attachment

Notes

This area is for any observations or conclusions that you would like to note.


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