What chemical compounds might be present in drinking water?
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# 3 Phosphorus compounds in water

Phosphorus compounds are hugely important in nature, for example deoxyribonucleic acid (DNA) is a polymer of alternating phosphate and deoxyribose groups. In this section you will see that phosphorus forms firstly relatively simple anions such as phosphate, PO4 3-. Then you will explore the chemistry of polyphosphates such as adenosine triphosphate (ATP) that was mentioned in Section 2.1.1.

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