Disinfection and sterilizing solution of peracetic acid and nitric acid
First Claim
1. A concentrated solution for dilution with chloride ion-containing water to provide a diluted non-corrosive disinfecting and sterilizing solution, said concentrated solution containing between 1 and 20% by weight of peracetic acid, further containing nitric acid in a weight percentage 3 to 5 times that of said peracetic acid.
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Accused Products
Abstract
Commercial solutions of noncorrosive and time-stable carboxylic peracids, particularly peracetic acid, contain an acid of oxidizing nature, such as nitric acid, present in a weight percentage at least equal to that of the carboxylic peracid. Such solutions, diluted with ordinary water, are useful for the sterilization and microbiological disinfection of asceptic enclosures, and of equipment of the food industry, particularly the milk industry, with reduced risk of corrosion to the equipment.
53 Citations
11 Claims
- 1. A concentrated solution for dilution with chloride ion-containing water to provide a diluted non-corrosive disinfecting and sterilizing solution, said concentrated solution containing between 1 and 20% by weight of peracetic acid, further containing nitric acid in a weight percentage 3 to 5 times that of said peracetic acid.
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10. A method of preparing a disinfecting and sterilizing solution of a carboxylic peracid comprising introducing nitric acid into a 2-5% by weight commercial solution of peracetic acid, said nitric acid being added in such an amount that its weight percentage in the mixture corresponds to 3 to 5 times that of said peracetic acid;
- then mixing the resultant solution with ordinary water until a concentration of peracetic acid of between 30 and 300 mg/liter is obtained.
Specification