Say pyridine/pyridinium (0.5 M) buffer system is used in an NMR experment in water-d2 medium and ionic strength is adjusted with NaCl to 1.0 M. How exactly this should be done?
Bojidarka B. Ivanova
Mr. Kariyawasam,
There is a well known equation (Analytical Chemistry I, BSc in the Chemistry).
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Jürgen Wintner
https://books.google.co.uk/books?id=OX8JBgAAQBAJ&printsec=frontcover&dq=buffer+ionic+ph+metal+control&hl=de&sa=X&ved=0ahUKEwjb9tK_uMrYAhXKIMAKHXceBLQQ6AEIJzAA#v=onepage&q=%20ionic%20strength&f=false
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