Patent ID: 8574632

Claim:
An acidic liquid composition containing: (a) peracetic acid, or peracetic acid and hydrogen peroxide, as an acidic oxidant; (b) an alkali metal salt of nitric acid; and (c) at least one carboxylic acid selected from the group consisting of lactic acid, malic acid, succinic acid, and citric acid, or a salt thereof, such that the concentrations thereof are the following: the (a) acidic oxidant: in the case where the acidic oxidant is peracetic acid: 0.05 to 1 wt %; in the case where the acidic oxidant is the combination of peracetic acid and hydrogen peroxide: 0.05 to 1 wt % of peracetic acid and 0.05 to 2 wt % of hydrogen peroxide; the (b) alkali metal salt of nitric acid: 0.1 to 10 wt %; and the (c) carboxylic acid or the salt thereof: 0.1 to 30 wt %, the acidic liquid composition having a pH in a range of from 2 to 6, and the acidic liquid composition being a disinfectant or a sterilizing agent for a subject containing, in part or in whole, aluminium or an aluminium alloy.