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  2. Ecolab - Wikipedia

    en.wikipedia.org/wiki/Ecolab

    Ecolab Inc. is an American corporation headquartered in Saint Paul, Minnesota. It develops and offers services, technology and systems that specialize in treatment, purification, cleaning and hygiene of water in a wide variety of applications. [2] Founded as Economics Laboratory in 1923 by Merritt J. Osborn, it was eventually renamed "Ecolab ...

  3. Ecotoxicology - Wikipedia

    en.wikipedia.org/wiki/Ecotoxicology

    Ecotoxicology is the study of the effects of toxic chemicals on biological organisms, especially at the population, community, ecosystem, and biosphere levels. Ecotoxicology is a multidisciplinary field, which integrates toxicology and ecology . The ultimate goal of ecotoxicology is to reveal and predict the effects of pollution within the ...

  4. List of largest chemical producers - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_chemical...

    List of largest chemical producers. The Friedrich-Engelhorn-Hochhaus, headquarters of BASF from 1957 to 2013. Chemical & Engineering News publishes an annual list of the world's largest chemical producers by sales, excluding formulated products such as pharmaceutical drugs and coatings. [ 1] In 2018, sales of the top fifty companies amounted to ...

  5. List of purification methods in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_purification...

    There are several type of distillation: simple distillation, steam distillation etc. Water purificationcombines a number of methods to produce potable or drinking water. Downstream processingrefers to purification of chemicals, pharmaceuticals and food ingredients produced by fermentationor synthesized by plant and animal tissues, for example ...

  6. DEA list of chemicals - Wikipedia

    en.wikipedia.org/wiki/DEA_list_of_chemicals

    All listed chemicals [5] as specified in 21 CFR 1310.02 (a) or (b). This includes supplements which contain a listed chemical, regardless of their dosage form or packaging and regardless of whether the chemical mixture, drug product or dietary supplement is exempt from regulatory controls. For each chemical, its illicit manufacturing use is ...

  7. Excessive heavy metals found in many dark chocolate bars ...

    www.aol.com/news/heavy-metals-including-lead...

    A new study finds that dark chocolate products sold nationwide may contain excessive amounts of heavy metals. The research, led by scientists at George Washington University and published ...

  8. Per- and polyfluoroalkyl substances - Wikipedia

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

    Occupational exposure to PFASs occurs in numerous industries due to the widespread use of the chemicals in products and as an element of industrial process streams. [198] PFASs are used in more than 200 different ways in industries as diverse as electronics and equipment manufacturing, plastic and rubber production, food and textile production ...

  9. Nalco Water - Wikipedia

    en.wikipedia.org/wiki/Nalco_Water

    Ecolab. Number of employees. 11,500. Website. Nalco Water Homepage. Nalco Water, an Ecolab Company, is an American supplier of water, energy and air improvement solutions and services for industrial and institutional markets, owned by Ecolab. The company sells various products and services designed to reduce energy, water and other natural ...

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