Question: Consider using an ISE for determining bromide ion based on (mathrm{AgBr} / mathrm{Ag}_{2} mathrm{~S}) crystalline membrane. The (K_{mathrm{sp}}) for (mathrm{AgBr}) is (7.7 times 10^{-13}). What
Consider using an ISE for determining bromide ion based on \(\mathrm{AgBr} / \mathrm{Ag}_{2} \mathrm{~S}\) crystalline membrane. The \(K_{\mathrm{sp}}\) for \(\mathrm{AgBr}\) is \(7.7 \times 10^{-13}\). What is the approximate detection limit for bromide ion in the absence of interfering ions? What would the bromide detection limit be in the presence of \(0.01 \mathrm{M} \mathrm{KCl}\), given that \(\mathrm{K}_{\mathrm{BrCl}}^{\mathrm{POT}}=3 \times 10^{-3}\) ?
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