Test Methods

USP 381: Elastomeric Closures - Extraction - Total Extractables, Heavy Metals, Reducing Agents, pH Change

USP 381: Elastomeric Closures • Absorbance • Acidity or Alkalinity • Ammonium • Extraction - Drug Vehicle - IPA - Purified Water • Determination of Color • Extractable Zinc • Fragmentation • Heavy Metals • Identity Test • Opalescence • Penetrability • pH Change • Reducing Substances • Self-Sealing Capacity • Total Extractables • Turbidity • Volatile Sulfides
USP 381