Dear experts, what kind of filter is needed to prepare analytically pure iron oxide?
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Dear experts on Haichuan, I am currently engaged in the production of hydroxide iron. I need to produce hydroxide iron in analytical purity, and the process I use involves the hydrolysis of trivalent iron ions with alkali to obtain hydroxide iron. However, hydroxide iron is in colloidal form, making filtration and washing very difficult. I am seeking advice from you all regarding any suitable filtration and washing equipment that could be used to achieve analytical purity for hydroxide iron. I’m not sure if there are any experts from chemical reagent manufacturers in this forum; I was wondering if they could offer some help. I would be extremely grateful. If the solution works, I plan to buy a small testing machine to give it a try. I don’t have many gold coins; I’ve given them all to those who have helped me.
It’s also unclear what other impurities have been introduced into your production process and in what quantities