Chloramines

General structural formula of chloramines (characteristic bond is marked in blue ) drawn - R ¹ , R ² = organic residues, hydrogen atoms, or chlorine atoms.

Chloramines are a subgroup of amines that have one or more bonds between the nitrogen atom and chlorine atoms .

Representative

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  Monochloramine , NH ₂ Cl

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  Dichloramine , NHCl ₂

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  Nitrogen trichloride , trichloramine , NCI ₃

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  Chloramine B , C ₆ H ₅ ClNNaO ₂ S

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  Chloramine T , C ₇ H ₁₃ ClNNaO ₅ S

Origin and occurrence

Chloramines are formed by the reaction of chlorine with nitrogen-containing compounds. In swimming pools, chloramines are formed e.g. B. by the reaction of chlorine with urea , creatinine or amino acids . They cause eye irritation for swimmers and the typical swimming pool odor. In the swimming pool circuit, it is removed by adsorption on activated carbon or by decomposition with ultraviolet radiation .

Web links

Commons : Chloramines  - Collection of pictures, videos and audio files

Individual evidence

1. ↑ Entry on chloramines. In: Römpp Online . Georg Thieme Verlag, accessed on September 9, 2019.
2. ↑ Krystian Chrobok: Disinfection process in swimming pool water treatment with special consideration of the electrochemical activation process for the purpose of improving the pool water quality. University of Bremen, 2003.
3. ↑ Chloramine Facts ; As of September 11, 2009; Retrieved September 30, 2010, Citizens Concerned About Chloramine.
4. ↑ The breakdown of chlorine nitrogen compounds in swimming pool water by UV radiation .