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Definition of nitrous acid in English: nitrous acidnoun mass nounChemistry An unstable, weak acid, existing only in solution and in the gas phase, made by the action of acids on nitrites. 〔化〕亚硝酸 Chemical formula: HNO₂ Example sentencesExamples - Secondary amines react with nitrous acid to give nitroso compounds, pale yellow oils that are insoluble in water.
- Nitrite ions also present a more acute toxicity toward the photosynthetic apparatus especially in their acid form, nitrous acid, which can diffuse freely across membranes.
- There are various other types of equally forgotten Victorian batteries: some best forgotten as they gave off toxic nitrous acid fumes and could only be used in well-ventilated areas.
- Products must undergo rigorous tests, which examine chemical residue, veterinary residue, fish residue, heavy metal, hormone, nitrous acid, additives and microorganism.
- Some substances are capable of acting either as reductants or as oxidants, e.g., hydrogen peroxide and nitrous acid.
Definition of nitrous acid in US English: nitrous acidnounˈnītrəs ˈasəd Chemistry An unstable, weak acid, existing only in solution and in the gas phase, made by the action of acids on nitrites. 〔化〕亚硝酸 Chemical formula: HNO₂ Example sentencesExamples - Some substances are capable of acting either as reductants or as oxidants, e.g., hydrogen peroxide and nitrous acid.
- There are various other types of equally forgotten Victorian batteries: some best forgotten as they gave off toxic nitrous acid fumes and could only be used in well-ventilated areas.
- Nitrite ions also present a more acute toxicity toward the photosynthetic apparatus especially in their acid form, nitrous acid, which can diffuse freely across membranes.
- Products must undergo rigorous tests, which examine chemical residue, veterinary residue, fish residue, heavy metal, hormone, nitrous acid, additives and microorganism.
- Secondary amines react with nitrous acid to give nitroso compounds, pale yellow oils that are insoluble in water.
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