Gaois

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  1. INDUSTRY|chemistry|chemical industry · INDUSTRY|leather and textile industries|textile industry · INDUSTRY|wood industry|wood industry|pulp and paper industry|paper

    #628913

    IATE #1450873
    tuarthóir optúil Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    gníomhairí tuartha optaiceacha Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    optischer Aufheller
    de
    Definition Stoff, der bei der Papierherstellung in eine überwiegend aus Holzbestandteilen bestehende Papiermasse eingebracht wird, um den Bedruckstoff weißer erscheinen zu lassen Reference "Rat der Europäischen Union: Prado-Glossar (Fachbegriffe im Zusammenhang mit Sicherheitsmerkmalen und mit Sicherheitsdokumenten im Allgemeinen) (16.11.2022)"
    optical brightener | optical brightening agent | OBA | fluorescent brightener | fluorescent whitening agent | FWA | fluorescent brightening agent | FBA | optical bleach | optical whitening agent | optical bleaching agent | fluorescent bleaching agent
    en
    Definition "chemical compound that absorbs light in the ultraviolet and violet region of the electromagnetic spectrum, and re-emits light in the blue region by fluorescence, thus causing a 'whitening' effect" Reference "COM-Terminology Coordination, based on: Wikipedia > Optical brightener (25.10.2022)"
    Comment This type of additive is used in several industries, including paper, textiles, soaps and detergents, plastics and paints.
    azurant optique
    fr
    Definition substance incorporée dans une pâte à papier (composée surtout de fibres de bois) au cours du processus de fabrication, de manière à renforcer l'apparence de blancheur du support Reference "Site du Conseil de l'Union européenne > Documents and publications > PRADO > Glossaire PRADO (18.10.2022)"
    Comment La présence d'azurants optiques peut être détectée grâce à leur réaction de fluorescence bleuâtre sous exposition aux UV.