User:Moira M. Esson/Notebook/CHEM-581/2012/10/26: Difference between revisions
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*Films placed in 1% aqueous HCl soltn. both started to have color leak out | *Films placed in 1% aqueous HCl soltn. both started to have color leak out | ||
*1.0mL GA+HCl film when placed in the 6M NaCl solution leaked very minimally(solution looks very faintly green). Much less in comparison to 0.5mL GA. | *1.0mL GA+HCl film when placed in the 6M NaCl solution leaked very minimally(solution looks very faintly green). Much less in comparison to 0.5mL GA. | ||
*0.5mL GA+HCl film after 1hr. and 15min. heated , remained bright green color. Stored in H<sub>2</sub>O. After adding H<sub>2</sub>O, film turned into a pink color(darker pink on edges) | *0.5mL GA+HCl film after 1hr. and 15min. heated , remained bright green color. Stored in H<sub>2</sub>O. After adding H<sub>2</sub>O, film turned into a pink color(darker pink on edges) | ||
*Addition of both films to sodium bicarbonate caused all porphyrin to leak out(films no longer colored. completely clear.) | |||
*Film 1mLGA+HCl remained dark green and more stiff than other film. Turned pink after addition to deionized H<sub>2</sub>O | |||
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Please refer to [[User:Karlena_L._Brown/Notebook/CHEM-581/2012/10/26]] and [[User:Melissa_Novy/Notebook/CHEM-581/2012/10/26]] for calculations relating to preparation of higher concentration of porphyrin solutions and salt. | |||
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Revision as of 16:00, 10 November 2012
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Objectives
Crosslinking
Crosslinked Films:
Observations for crosslinking films
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