USP has published a revised draft of Chapter <1231> “Water for Pharmaceutical Purposes” in PF 51(4). Updates clarify ozone limits, online TOC/conductivity testing, additive risk assessments, and new nitrosamine guidance.
USP Revises Chapter <1231> on Pharmaceutical Water — Draft Open for CommentThe draft is open for public comment until 30 September 2025 on the Pharmacopeial Forum website. Free registration is required.
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