Rate constants for the boric acid catalysed hydrolysis of PAA and MCPBA, obtained from the best fit to eqn (5) as detailed in the text.

Rate	PAA	MCPBA
k wa(B)/10−6 dm3 mol−1 s−1	17.90 ± 3.67	0.10 ± 0.64
k wb(B)/10−4 dm3 mol−1 s−1	6.03 ± 0.24	7.20 ± 0.38
k OHb(B)/dm6 mol−2 s−1	1.61 ± 0.27	2.11 ± 0.70
k OHb(B3)/dm6 mol−2 s−1	23.5 ± 5.6	22.8 ±13.85