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An Ibex Sciences Multiple Adapter (often listed as a multi-neck or Claisen-style adapter) is a highly versatile piece of Quick-Fit laboratory glassware used in organic chemistry synthesis and fractional distillation setups. It plugs directly into a single-neck flask to convert it into a multi-neck flask, allowing students and researchers to perform several laboratory tasks simultaneously without leaking chemical vapors. [1, 2]
Key Specifications & Joint Configurations
- Material Composition: Hand-blown from high-performance Borosilicate 3.3 Glass, ensuring structural durability under high heat and vacuum pressure. [1, 2]
- Two-Neck Profile: Features one bottom outer cone (male joint) and two upper sockets (female joints) placed either parallel or at an angle. [1]
- Three-Neck Profile: Features one bottom cone and three upper neck sockets to construct highly complex apparatus setups. [1]
- Standard Interchangeable Joint Sizes: Most commonly available in educationally standard configurations like Socket Size 19/26 with Cone Size 29/32, or matching 14/23 systems. [1]
Core Laboratory Functions
- Simultaneous Operations: Allows a single boiling flask to simultaneously accommodate a thermometer adapter, an addition funnel for reagents, or a gas inlet tube. [1]
- Reflux and Distillation Assemblies: Connects a vertical reflux condenser on one upper neck while leaving the side neck free to safely introduce fresh liquids mid-reaction.
- Vacuum and Gas Purging: Provides an independent pathway to hook up a vacuum line or inert nitrogen gas supply while monitoring temperature.
Critical Maintenance & Handling Rules
- Apply Targeted Joint Grease: Add a very small smear of vacuum or silicone grease exclusively to the upper half of the male joint. Rotating the joint should make it translucent. Do not over-grease, or the excess compound will melt, slip into the flask, and ruin your chemical purity. [1]
- Use Plastic Keck Clips: Always lock the connecting frosted joints together using color-coded plastic or metal joint clips. Multi-neck assemblies get top-heavy and can easily slide apart during boiling. [1]
- Thorough Post-Lab Cleaning: Clean immediately after your experiment to prevent joints from seizing up. If a joint gets permanently stuck, do not force it; gently warm the outer female joint to expand the glass and release the seal. [1]
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