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Topic: Is NaF can precipitate in waste Sodium Sulphate? If so how?  (Read 719 times)

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Offline metallurgy

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Is NaF can precipitate in waste Sodium Sulphate? If so how?
« on: February 27, 2020, 04:17:50 AM »
Is NaF can precipitate in waste Sodium Sulphate? If so how? Or how to evaporate it? How to remove this impurity from sodium sulphate?
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Offline chenbeier

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Re: Is NaF can precipitate in waste Sodium Sulphate? If so how?
« Reply #1 on: February 27, 2020, 10:39:42 AM »
The soloubilities are different
NaF 42 g/l, Na2SO4 281 g/l 20° C
Cooling  down, probably some flouride can be precipitated.
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