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What is the Henry’s law constant for NH3 in water at 30°C?

2019-10-15View Original

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What is the Henry’s law constant for NH3 in water at 30°C?
Reply #22019-10-15
The NH3 content in water also needs to be specified. By definition, is it only the equilibrium partial pressure of ammonia in an aqueous solution?
Reply #32019-10-16
Hello, do you mean that the Henry’s law constant for NH3 at a certain temperature is not a fixed value?
Reply #42019-10-16
This post was last edited by 2005011lcj on 2019-10-16 at 11:27. The Henry’s law constant for NH3 in water at 30℃ is 0.590756277 MPA
Reply #52019-10-16
The Henry coefficient applies to light gases and dilute solutions; for NH3, it is not a fixed constant, so you need to read more in the relevant textbooks.
Reply #62019-10-17
The Henry coefficient is a function of temperature; once the temperature is determined, it becomes a fixed value
Reply #72019-10-17
H2, O2, N2, etc. all obey Henry’s law; for NH3, it does not obey Henry’s law, so there is no such thing as a Henry constant – instead, interaction parameters must be consulted.
Reply #82019-10-18
Hello, are there Henry’s constants for NH3 at other temperatures? For example, 25, 35, 40℃
Reply #92019-10-18
Which books provide information on the NH3 Henry coefficient? I need to calculate the design of a water-washed ammonia spray tower urgently
Reply #102019-10-21
At 20°C, isn’t it 76.41 KPa? This is the value I saw in a book, and it’s different from the result obtained using the table you provided.

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