Question Koncentriranje fosforne kisline

edy's

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Ali obstaja preprost način za zgoščevanje 75-odstotne fosforne kisline na 85 %?
Ali je to mogoče narediti s preprosto destilacijo ali morda z anh mačesijevega sulfata?
 

Sailor

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Preprosto jo segrejte in pustite, da voda izhlapi. Natančen odstotek ugotovite tako, da jo stehtate. Zelo preprosto.
 

T0lek511

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Pri segrevanju izgubite nekaj H3PO4 zaradi razgradnje v dihidrogenfosforno kislino.
 
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