Sulfuric Acid, Fluorometric
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
—Use ACS reagent grade Sulfuric Acid that conforms to the following additional test:
Fluorescence: Using a suitable fluorometer having a sharp cut-off 360-nm excitation filter and a sharp cut-off 415-nm excitation filter, determine the fluorescence of the sulfuric acid in a cuvette previously rinsed with water followed by several portions of the acid under examination: the fluorescence does not exceed that of Quinine sulfate solution (1 in 1,600,000,000), similarly measured.
