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  1. 6. Mai 2024 · Cyanid (Kemisk formel: CN -) tilhører en gruppe af kvælende gifte, hvori også carbonmonoxid /kulilte og svovlbrinte findes. Fælles for stoffer i denne gruppe er deres evne til at forhindre transport af ilt til cellerne, for eksempel ved at konkurrere med ilt i hæmoglobin eller ved at gribe ind i transporten af ilt i de enkelte celler, som ...

  2. Vor 4 Tagen · Dim sadrži benzene, nitrozamine, formaldehide i ugljikove cijanide (Smoke contains benzene, nitrosamines, formaldehyde and hydrogen cyanides*) The last warning contains a mistranslation from Directive 2001/37/EC – "hydrogen" was translated as ugljik (carbon) instead of vodik. It was nevertheless signed into law and started appearing on ...

  3. 26. Apr. 2024 · Hydrogen cyanide, also known as hydrocyanic acid, or Hcn, is a highly volatile liquid used to prepare acrylonitrile, which is used in the production of acrylic fibres, synthetic rubber, and plastics. Cyanides are used in many chemical processes, including fumigation, case hardening of iron and steel, electroplating, and the concentration of ...

  4. en.wikipedia.org › wiki › Vitamin_B12Vitamin B12 - Wikipedia

    Vor einem Tag · Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism. [2] It is one of eight B vitamins. It is required by animals, which use it as a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism. [3]

  5. Vor 2 Tagen · Mercury (element) rhombohedral ( hR1) Mercury is a chemical element; it has symbol Hg and atomic number 80. It is also known as quicksilver and was formerly named hydrargyrum ( / haɪˈdrɑːrdʒərəm / hy-DRAR-jər-əm) from the Greek words hydor (water) and argyros (silver). [8]

  6. de.wikipedia.org › wiki › NitrileNitrileWikipedia

    Vor 21 Stunden · NitrileWikipedia. Nitrile. Allgemeine Formel eines Nitrils: das charakteristische dreifach gebundene Stickstoffatom ist blau markiert. Der Rest R ist ein Organyl-Rest ( Alkyl -Rest, Aryl -Rest, Alkylaryl-Rest etc.) oder – seltener – ein Acyl -Rest. Nitrile sind eine Gruppe chemischer Verbindungen mit der allgemeinen Formel R–C≡N.

  7. en.wikipedia.org › wiki › TinTin - Wikipedia

    Vor einem Tag · Tin. Tin is a chemical element; it has symbol Sn (from Latin stannum) and atomic number 50. A silvery-colored metal, tin is soft enough to be cut with little force, [10] and a bar of tin can be bent by hand with little effort. When bent, the so-called "tin cry" can be heard as a result of twinning in tin crystals.