1 N Phosphoric Acid TS
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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)
-To a 1000-mL volumetric flask containing about 800 mL of water, slowly add 22.8 mL of phosphoric acid. Cool and dilute with water to volume.

