INDUSTRY|chemistry|chemical compound · SCIENCE|natural and applied sciences|life sciences
- eoisin Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- Definition fluorescent red dye resulting from the action of bromine on fluorescein [ IATE:1205622 ] Reference Wikipedia http://en.wikipedia.org/wiki/Eosin [22.4.2011]
- Comment There are actually two very closely related compounds commonly referred to as eosin. Most often used is eosin Y; it has a very slightly yellowish cast. The other eosin compound is eosin B; The two dyes are interchangeable, and the use of one or the other is a matter of preference and tradition.Eosin Y is a tetrabromo derivate of fluorescein. Eosin B is a dibromo dinitro derivate of fluorescein.See also haematoxylin and eosin stain [ IATE:197294 ]
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