:Yes, the hydrobromic acid reacts with & ndash; and thereby inactivates & ndash; the performic acid to stop the reaction . ( I'm not " certain " what the products of that reaction are, but I suspect they're all volatile : formic acid, water, bromine . ) As you suggest, excess hydrobromic acid will evaporate completely, as it's just a solution of ( volatile ) hydrogen bromide gas in water . talk ) 16 : 38, 10 February 2008 ( UTC)
