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  2. Marine chemistry - Wikipedia

    en.wikipedia.org/wiki/Marine_chemistry

    The types of marine pollution can be grouped as pollution from marine debris, plastic pollution, including microplastics, ocean acidification, nutrient pollution, toxins and underwater noise. Plastic pollution in the ocean is a type of marine pollution by plastics , ranging in size from large original material such as bottles and bags, down to ...

  3. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    Water is an inorganic compound with the chemical formula H 2 O.It is a transparent, tasteless, odorless, [c] and nearly colorless chemical substance.It is the main constituent of Earth's hydrosphere and the fluids of all known living organisms (in which it acts as a solvent [20]).

  4. Water pollution - Wikipedia

    en.wikipedia.org/wiki/Water_pollution

    Nutrient pollution caused by Surface runoff of soil and fertilizer during a rain storm Nutrient pollution, a form of water pollution, refers to contamination by excessive inputs of nutrients. It is a primary cause of eutrophication of surface waters (lakes, rivers and coastal waters ), in which excess nutrients, usually nitrogen or phosphorus ...

  5. Per- and polyfluoroalkyl substances - Wikipedia

    en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl...

    Structural formula Molecular weight (g/mol) CAS No. Perfluorobutane sulfonamide: H-FBSA C 4 F 9 SO 2 NH 2: 299.12 30334-69-1 Perfluoropentanesulfonamide: PFPSA C 5 F 11 SO 2 NH 2: 349.12 82765-76-2 Perfluorohexanesulfonamide: PFHxSA C 6 F 13 SO 2 NH 2: 399.13 41997-13-1 Perfluoroheptanesulfonamide: PFHpSA C 7 F 15 SO 2 NH 2: 449.14 82765-77-3 ...

  6. Freshwater environmental quality parameters - Wikipedia

    en.wikipedia.org/wiki/Freshwater_environmental...

    Freshwater environmental quality parameters are those chemical, physical and biological parameters that can be used to characterise a freshwater body. Because almost all water bodies are dynamic in their composition, the relevant quality parameters are typically expressed as a range of expected concentrations.

  7. List of inorganic compounds - Wikipedia

    en.wikipedia.org/wiki/List_of_inorganic_compounds

    Protonated molecular hydrogen – H + 3; Trioxidane – H 2 O 3; Water - H 2 O [204] He. Sodium helide – Na 2 He; I. In. Indium(I) bromide – InBr;

  8. Dense non-aqueous phase liquid - Wikipedia

    en.wikipedia.org/wiki/Dense_Non-Aqueous_Phase_Liquid

    A dense non-aqueous phase liquid or DNAPL is a denser-than-water NAPL, i.e. a liquid that is both denser than water and is immiscible in or does not dissolve in water. [1]The term DNAPL is used primarily by environmental engineers and hydrogeologists to describe contaminants in groundwater, surface water and sediments.

  9. Dioxins and dioxin-like compounds - Wikipedia

    en.wikipedia.org/wiki/Dioxins_and_dioxin-like...

    Dioxins and dioxin-like compounds (DLCs) are a group of chemical compounds that are persistent organic pollutants (POPs) in the environment.They are mostly by-products of burning or various industrial processes or, in the case of dioxin-like PCBs and PBBs, unwanted minor components of intentionally produced mixtures.