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

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