Gaois

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2 results

  1. INDUSTRY|chemistry|chemical compound

    #549950

    IATE #1205622
    fluaraisin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Resorcinphthalein | Fluoreszein
    de
    Definition fluoreszierender Farbstoff aus der Gruppe der Xanthenfarbstoffe Reference Wikipedia, s. v. „Fluorescein“, https://de.wikipedia.org/wiki/Fluorescein (30.9.2017)
    fluorescein | Resorcinolphthalein
    en
    Definition organic compound that has wide use as a synthetic colouring agent Reference 'fluorescein'. Encyclopædia Britannica, http://www.britannica.com/EBchecked/topic/211332/fluorescein [5.3.2010]
    Comment It is prepared by heating phthalic anhydride and resorcinol over a zinc catalyst, and it crystallises as a deep red powder with a melting point in the range of 314° to 316° C (597° to 601° F). Fluorescein is used as a dye to colour liquids in analytic instruments, in cosmetics, and as a water tracer or marker. It is also used in conjunction with a blue light to detect foreign bodies in the eye and detect damage to the cornea, and in angiography since it allows the blood vessels at the back of the eye to be photographed.
    fluorescéine
    fr
    C20H12O5
    mul