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Topic: preparation of trisodium phospahte  (Read 2502 times)

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Offline HB

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preparation of trisodium phospahte
« on: September 12, 2013, 01:09:26 PM »
I have disodium hydrogen phossphate and I want to prepare trisodium phosphate from it.
I searched on the internet and found a procedure that start from phosphoric acid and sodium hydroxide.  can anyone help me with the required procedure or guide me where to search for the requird procedure.
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Offline Nobby

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Re: preparation of trisodium phospahte
« Reply #1 on: September 13, 2013, 04:14:56 AM »
If you know the procedure starting with phosphoric acid, then its easy. You dissolve the salt in water and you need only a third of the amount of sodium hydroxide what is used to neutralize the phosphoric acid.
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Offline Babcock_Hall

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Re: preparation of trisodium phospahte
« Reply #2 on: September 13, 2013, 08:31:41 AM »
Is there a reason you do not wish to buy trisodium phosphate?
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