April 03, 2020, 07:30:50 PM
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Topic: Calculate pH using Ionic Strength  (Read 546 times)

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Offline AWK

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Re: Calculate pH using Ionic Strength
« Reply #15 on: Yesterday at 11:37:18 AM »
And now correct this value with ionic strenght of solution.
AWK

Offline BHAVESH

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Re: Calculate pH using Ionic Strength
« Reply #16 on: Today at 05:12:55 AM »
can you please give some hint??

Offline AWK

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Re: Calculate pH using Ionic Strength
« Reply #17 on: Today at 05:38:18 AM »
Calculate activity coefficients.
AWK

Offline BHAVESH

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Re: Calculate pH using Ionic Strength
« Reply #18 on: Today at 09:29:06 AM »
Shall I use Davies Equation?

Log[γz ]= -A* Z2 [√I/(1+ √I)]-0.3I
A = 1.82X106*[ET]-1.5
E = 60954/[T + 116] - 68.937

T = Temp in °K
I = Ionic Strength

Offline AWK

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Re: Calculate pH using Ionic Strength
« Reply #19 on: Today at 09:37:36 AM »
For the beginning use standard temperature 25°C.
Check your Davies equation for the correct syntax.
AWK

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