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Are sample temperature and conductance from the time of sample collection or the time of sample titration?

April 26, 2017collection conductance sample temperature time titration

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Are sample temperature and conductance from the time of sample collection or the time of sample titration?

1 Answer

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10 Posted

The Alkalinity Calculator uses the sample temperature and conductance at the time of sample titration. The specific conductance is used to estimate the solution’s ionic strength. The ionic strength and the sample temperature are used to calculate the acid dissociation constants of water and carbonic acid (Kw, K1, and K2), which are needed for some of the Calculator’s methods and diagnostics. If sample temperature and conductance are unknown, values of 20 oC and 50 µS/cm will be assumed.