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Topic: Gravimetric Analysis of Nickel using Dimethylglyoxime  (Read 2136 times)

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Offline PhilipG

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Gravimetric Analysis of Nickel using Dimethylglyoxime
« on: February 20, 2016, 12:52:45 PM »
Does anyone know why must the solution be kept below 80 degree celsius during the precipitation stage. I mean, when I add NH4OH to a solution that contains: water distiller, NiO, and HCl 1:1. What if the temperature is 100ºC or more. Thanks.
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Offline Arkcon

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Re: Gravimetric Analysis of Nickel using Dimethylglyoxime
« Reply #1 on: February 20, 2016, 01:08:07 PM »
Do you know of anything significant about the temperature you've quoted -- 100 C?  WHy did you pick that particular temperature>

Sorry to answer a question with more questions, but that's how we do things here on the Chemical Forums.  It's all in the Forum Rules{click}.
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Hey, I'm not judging.  I just like to shoot straight.  I'm a man of science.

Offline AWK

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Re: Gravimetric Analysis of Nickel using Dimethylglyoxime
« Reply #2 on: February 20, 2016, 06:20:50 PM »
You perform reaction in water solution. Does temperature over 100 C is easily obtained? Your procedure is optimized for good precipitation of Ni(DMG)2
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