Question Concentrating phosphoric acid

edy's

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Is there a simple way to concentrate 75%phosphoric acid to 85%?
Can it be done by simple destilation or maybe machnesium sulphate anh?
 

Sailor

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Just heat it up and let water evaporate. Figure out exact percentage by weighing it. Very simple.
 

T0lek511

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Heating it you lose some H3PO4 because degradation into dihydrogen phosphoric acid.
 
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