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Title: A bottle containing 5gms of pH indicator, naphthol yellow. [Go to resource]
Description: A bottle containing 5gms of pH indicator, naphthol yellow. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: pH indicator Temporal: c. 1960 Source: Science Museum Creator: George T. Gurr Ltd. Identifier: 2001-527 Go to resource More Like this...
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