By Lajos Kovács, Dezső Csupor, Gábor Lente, Tamás Gunda
100 Chemical Myths bargains with renowned but mostly unfaithful misconceptions and misunderstandings with regards to chemistry. It comprises lucid and concise causes reduce via fallacies and concrete legends which are universally suitable to a world viewers. a variety of chemical myths are explored in those parts; foodstuff, drugs, catastrophes, chemical substances, and environmental difficulties. Connections to pop culture, literature, video clips, and cultural historical past carry the reader’s curiosity when key techniques are superbly annotated with illustrations to facilitate the certainty of unusual fabric. Chemical Myths Demystified is pitched to members and not using a formal chemistry history to fledgling undergraduate chemists to pro researchers and beyond.
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Extra resources for 100 Chemical Myths: Misconceptions, Misunderstandings, Explanations
Usually, this use is preceded by mixing the substance in question with other substances to improve properties or effects, etc. This is also the end use of a substance, after which it will be considered as waste at the end of its life cycle. The substance remains in its original form in a chemical sense, there is no reaction. For these substances, there are several different layers of legislation depending on the potential exposures. The introduction of REACH has been criticized from numerous viewpoints.
It is one of the preservatives with the longest known histories, often used in canned fruit, pickle and soft drinks. Vitamin C (L-ascorbic acid) is probably the best known vitamin, and the daily amount necessary for humans is between 50 and 100 mg depending on age (150 mg for breastfeeding mothers). It is present in many natural sources and is also a common synthetic product. Suspicion about a possible health risk from the simultaneous consumption of benzoic and ascorbic acid arose in the 1990’s in connection with soft drinks.
Carbon dioxide is only a distant second on this list (22 %), with tropospheric ozone joining the ranks as number 3 (7 %). Water vapor and cloud cover have a complex role. Increasing temperatures cause the evaporation of more water, which would increase the greenhouse effect. Increased cloud cover, on the other hand, reflects more sunshine back to space (the albedo is larger), which slows the warming down. Global warming is a complex problem (ozone, carbon dioxide, greenhouse effect, acid rain, plankton, dimethyl sulfide emission, oil spills, pesticides, heavy metals, deforestation): it attracts a lot of scientific and political attention.
100 Chemical Myths: Misconceptions, Misunderstandings, Explanations by Lajos Kovács, Dezső Csupor, Gábor Lente, Tamás Gunda