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Topic: what reaction ?  (Read 3145 times)

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Offline lotharien

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what reaction ?
« on: April 07, 2010, 08:58:26 AM »
hi , hi found this procedure in the web , i wonder if anyone knows what is the reaction .


take a Fe(NO3)3 solution , and add citric acid.

take the pH to 7 with a ammonia solution.

evaporate the solution at 90°C until you obtain a GEL .



Offline sHaY

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Re: what reaction ?
« Reply #1 on: April 07, 2010, 05:54:50 PM »
That's an Inorganic question budd.
Try analytical forum they'll know

Offline Mitch

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Re: what reaction ?
« Reply #2 on: April 07, 2010, 07:27:48 PM »
Plan on doing some spin coating? Citric acid can coordinate with the iron, but I wouldn't say it is a reaction.
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Offline lotharien

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Re: what reaction ?
« Reply #3 on: April 08, 2010, 03:28:09 AM »
i suppose the reaction is between (NO3--) and the citric acid , a redox reaction.


but if i obtain a gel mabye the citric acid polumerize with himslef ?(ester)

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