25-08-2022 дата публикации
Номер: US20220267907A1
Принадлежит:
Composition, characterized in that: —it comprises, in a solution of demineralized water: between 10 and 80, preferably between 15 and 20, more preferably 17, g/l of a composition of phosphoric acid HPO, and between 2 and 15, preferably between 4 and 8, more preferably 6, g/l of a composition of potassium permanganate KMnO, —the weight ratio HPO/KMnOis between 1.5 and 10, preferably between 1.8 and 5, mote preferably equal to 2.8, —said composition has a pH between 2.4 and 3, preferably 2.5. 1. A composition , characterised in that:it comprises, in a solution of water:{'sub': 3', '4, 'between 10 and 80 g/l of a composition of phosphoric acid HPO, and'}{'sub': '4', 'between 2 and 15 g/l of a composition of potassium permanganate KMnO,'}{'sub': 3', '4', '4, 'the weight ratio HPO/KMnOis between 1.5 and 10, preferably between 1.8 and 5, most preferably equal to 2.8,'}said composition has a pH between 2.4 and 3, preferably 2.5.2. The composition according to claim 1 , wherein:it comprises:{'sub': 3', '4, 'between 10 and 30 g/l, preferably between 15 and 20 g/l of a composition of phosphoric acid HPO, and'}{'sub': '4', 'between 4 and 8 g/l of a composition of potassium permanganate KMnO.'}3. The composition according to claim 1 , whereinit comprises:{'sub': 3', '4, '17 g/l of a composition of phosphoric acid HPO, and'}{'sub': '4', '6 g/l of a composition of potassium permanganate KMnO,'}said composition has a pH of 2.5.4. The composition according to claim 1 , wherein:it comprises:{'sub': 3', '4, 'between 20 and 80 g/l of a composition of phosphoric acid HPO, and'}{'sub': 3', '4', '4, 'the weight ratio HPO/KMnOis between 2.5 and 10, preferably between 2.5 and 5, most preferably equal to 2.8.'}5. The composition according to claim 1 , wherein it further comprises an agent for adjusting the pH different from nitric acid HNO claim 1 , preferably selected from acetic acid CHCOOH claim 1 , sulfuric acid HSO claim 1 , phosphoric acid HPO claim 1 , sodium hydroxide NaOH and ...
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