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  • material: borosilicate glass 3.3
  • Chemical Resistant
PART NO. Bore (mm) Pack (qty.)
1640-3 0-3 10

Here are some common uses for a burette needle valve stopcock, GP:

  1. Titration Experiments:
    • Burette needle valve stopcocks are primarily used in titration experiments where precise control of the titrant flow rate is essential for accurate and controlled addition to the analyte solution.
  2. Quantitative Analysis:
    • In analytical chemistry, especially during quantitative analysis, burette needle valve stopcocks are used to deliver precise volumes of titrant for determining the concentration of a substance in a solution.
  3. Chemical Synthesis:
    • These stopcocks may be employed in chemical synthesis processes where controlled addition of a reagent is required with a high level of accuracy, and the needle valve design allows for fine-tuned adjustments.
  4. Quality Control:
    • Burette needle valve stopcocks are used in quality control procedures, especially in industries where accurate volume measurements are crucial.
  5. Educational Laboratories:
    • Burettes with needle valve stopcocks are commonly used in educational laboratories for teaching titration techniques and principles of volumetric analysis.
  6. Standardization of Solutions:
    • Burette needle valve stopcocks are utilized in the standardization of solutions, ensuring that the concentration of a solution is accurately known.
  7. pH Titration:
    • In pH titrations, where the endpoint is determined by a change in pH, burette needle valve stopcocks with precise control play a critical role in achieving accurate results.
  8. Research Applications:
    • Burette needle valve stopcocks are used in various research applications where precise volumetric measurements are required for experimentation.
  9. Calibration Procedures:
    • These stopcocks may be used in the calibration of laboratory equipment, ensuring that the volumetric measurements are accurate.
  10. Trace Analysis:
    • In laboratories performing trace analysis, burette needle valve stopcocks can help achieve the necessary precision for measuring small volumes of titrant.
  11. Microscale Chemistry:
    • In microscale chemistry experiments, where smaller quantities of reagents are used, the needle valve design allows for fine adjustments and control in confined spaces.
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