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Medical Definition of Indicator yellow
1. A compound formed in the bleaching of rhodopsin by light; it is chrome yellow at pH 3.3-4.0 and pale yellow at pH 9.0-10.0. (05 Mar 2000)
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1. A compound formed in the bleaching of rhodopsin by light; it is chrome yellow at pH 3.3-4.0 and pale yellow at pH 9.0-10.0. (05 Mar 2000)