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6930-Separating Funnel Pear Shape, Needle Valve Stopcock, ISO

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6930-Separating Funnel Pear Shape, Needle Valve Stopcock, ISO

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  • Available with PE stopper
  • Complies with ISO 4800 Standards

* Non DIN

PART  No. Capacity (ml) NS Bore (mm) PACK Qty.
6930-50 50 19/26 2.5 1
6930-100 100 19/26 2.5 1
6930-125* 125 19/26 2.5 1
6930-250 250 29/32 4 1
6930-500 500 29/32 4 1
6930-1000 1000 29/32 6 1
6930-2000 2000 29/32 6 1

Here are some common uses for a Pear-shaped Separating Funnel with a needle valve stopcock:

  1. Liquid-Liquid Extraction:
    • The primary purpose is for liquid-liquid extraction, allowing the separation of immiscible liquids or the extraction of specific compounds from a mixture. The needle valve stopcock provides precise control over the separation process.
  2. Sample Preparation for Analysis:
    • Laboratories use these funnels to prepare samples for analysis by separating different components or isolating specific fractions for further testing, such as chromatography or spectroscopy. The needle valve stopcock aids in controlled liquid dispensing.
  3. Solvent Recovery:
    • After a chemical reaction or process, the funnel can be used for solvent recovery by allowing the separation of solvents from the reaction mixture. The needle valve stopcock provides controlled drainage and accurate flow regulation.
  4. Phase Separation:
    • Suitable for processes requiring clear phase separation, ensuring the clean separation of different liquid layers. The needle valve stopcock allows for controlled drainage of each phase.
  5. Reaction Product Isolation:
    • The funnel can be used to isolate and separate products of chemical reactions from reaction mixtures, providing a controlled environment for the separation.
  6. Fractionation:
    • In processes where different components of a mixture need to be separated based on their physical properties, Pear-shaped Separating Funnels with needle valve stopcocks can be employed. The needle valve allows for precise fraction collection.
  7. Quality Control Processes:
    • Industries use these funnels for quality control processes, especially when precise separations are needed for the analysis of specific components. The needle valve stopcock ensures accurate flow control.
  8. Research and Development:
    • Pear-shaped Separating Funnels with needle valve stopcocks find applications in research laboratories for various experiments and processes involving liquid-liquid separations.
  9. Teaching and Demonstrations:
    • Educational laboratories may use these funnels for teaching purposes, demonstrating liquid-liquid extraction techniques and the principles of phase separation. The needle valve stopcock provides a visual and hands-on tool for students.
  10. Industrial Processes:
    • In various industrial settings, Pear-shaped Separating Funnels with needle valve stopcocks are employed for liquid-liquid separations and extractions, providing precise control over liquid flow.
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