Rate constants for the hydrolysis of PAA and MCPBA in the absence of boric acid, obtained from the best fit to eqn (1) as detailed in the text.

Rate	PAA	MCPBA
k wa/10−7 s−1	11.69 ± 7.05	6.27 ± 5.89
k wb/10−6 s−1	3.76 ± 0.76	2.43 ± 0.58
k OHb/10−4 dm3 mol−1 s−1	8.13 ± 0.38	0.69 ± 0.05