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一般描述
Bromothymol Blue is a sulfonated hydroxyquinone in acidic aqueous solutions. In alkaline solutions, this dye is present as a moderately sized dianion. It is also known as bromthymol blue and dibromothymolsulfonphthalein.
應(yīng)用
Bromothymol blue dye serves as a pH indicator because of the precise color transition at neutrality. Other applications include: as a vital stain to trace the movement of fluids from the lymph and to define cell walls or nuclei under the microscope for the demonstration of fungal hyphae within plant roots in the assessment of the soluble acidity within single rice grains use in an agar gel medium for enumeration of Bacillus cereus as a component of several bacterial growth and detection substrates such as cystine lactose electrolyte deficient (CLED/BROLACIN); polymyxin pyruvate egg yolk mannitol bromothymol blue (PEMBA) and MacConkey agar.
Sigma-Aldrich西格瑪奧德里奇(上海)貿(mào)易有限公司
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