Hydrion paper
http://dbpedia.org/resource/Hydrion_paper an entity of type: WikicatPHIndicators
Hydrion is a trademarked name for a popular line of compound pH indicators, marketed by Inc., exhibiting a series of color changes (typically producing a recognizably different color for each pH unit) over a range of pH values. Although solutions are available, the most common forms of Hydrion are a series of papers impregnated with various mixtures of indicator dyes. It is considered a "universal indicator".
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Hydrion paper
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2144050
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1086566268
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Hydrion is a trademarked name for a popular line of compound pH indicators, marketed by Inc., exhibiting a series of color changes (typically producing a recognizably different color for each pH unit) over a range of pH values. Although solutions are available, the most common forms of Hydrion are a series of papers impregnated with various mixtures of indicator dyes. It is considered a "universal indicator".
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713