Ionic strength corrections

Figure 1. Phase volume corrected rate constant (ko ) phase volume ((f)) for the N-dodecylnicotinamide-cyanide reaction in (a) Brlj yE and (b) CTAB yE, Curves (c) and (d) are the ionic strength corrected Brij rate constants for Stern layer thicknesses of 4A and 2A, respectively (vide text).

Determined using values of p, obtained from the ionic strength corrected Brlj K , values, where I was estimated assuming a thickness s = 2A or 4A. 

Runde et al. (2002a) compiled an internally consistent database to calculate solubility and speciation of plutonium in more complex low-ionic-strength waters. A specific interaction model (Grenthe et al., 1992) was used for ionic strength corrections. The reader is referred to that work for... 

The estimation of the systematic errors sj (which, of course, have to relate to X and be expressed in the same unit) can only be made by a person who is familiar with the experimental method. The uncertainty a has to correspond to the 95% confidence level preferred in this review. It should be noted that for all the corrections and recalculations made (e.g., temperature or ionic strength corrections) the rules of the propagation of errors have to be followed, as outlined in Section C.6.2. 

Chemical equilibrium conditions are assumed for all reactions. The chemical model consists of eight components UOj"1", VO4-, CO2-, K+, Ca2+, H+, and HFO as the sorbent. Four minerals, carnotite (K2(U02)2(V04)2), tyuyamunite (Ca(U02)2(V04)2), calcite (CaC03), and gypsum (CaS04 2H2O), are allowed to participate in precipitation-dissolution reactions. The detailed chemical model (reactions and parameters) is presented in Morrison et al. (1995a). No ionic strength correction was made for activity coefficients. 

To allow comparison of stability constants and ionic strength correction for the present evaluation, the data were transformed to SIT format by a fitting procedure. 

B.1.2 Ionic strength corrections at temperatures other than... 

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