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"Degrees Lovibond" or "°L" scale is a measure of the colour of a substance, usually beer, whiskey, or sugar solutions. The determination of the degrees lovibond takes place by comparing the color of the substance to a series of amber to brown glass slides, usually by a colorimeter. The scale was devised by Joseph Williams Lovibond.[1] The Standard Reference Method (SRM) and European Brewery Convention (EBC) methods he largely replaced it, with the SRM giving results approximately equal[收起]