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Title: Two dispenser rolls of high precision pH paper, Known as pHy [Go to resource]
Description: Two dispenser rolls of high precision pH paper, Known as pHydrion papers, made by MicroEssential Laboratory Inc. Brooklyn, N.Y., Grade 367, range 9.0 -12.0. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: pH paper Temporal: c1970 Source: Science Museum Creator: Micro Essential Laboratory Inc Identifier: 2001-514 Go to resource More Like this...
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