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Definition of Sulfonphthalein
1. Noun. (chemistry) any compound, analogous to a phthalein, formed by the condensation of o-sulfobenzoic acid with a phenol ¹
¹ Source: wiktionary.com
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1. Noun. (chemistry) any compound, analogous to a phthalein, formed by the condensation of o-sulfobenzoic acid with a phenol ¹
¹ Source: wiktionary.com