1520-STOPCOCKS 1:5, STRAIGHT BORE GROUND AND POLISHED WITHOUT KEY ASTM

• STOPCOCK PLUG AND BARRRL ARE GROUND TO INTERCHANGEABLE SPECIFICATIONS.
• PTFE PLUGS ARE SOLID AND HAVE A 1:5 TAPER.

Uses:

1. Laboratory Glassware:
   • Stopcocks with a 1:5 straight bore, ground and polished, and without a key are fundamental components of laboratory glassware setups, providing control over the flow of liquids or gases in various experimental procedures.
2. Chemical Synthesis:
   • These stopcocks are used in chemical synthesis processes to control the addition of reagents, the flow of reactants, or the collection of reaction products with precision.
3. Distillation Apparatus:
   • Stopcocks are commonly integrated into distillation setups to control the release of vapor and the collection of distillate. The ground and polished design ensures a smooth operation.
4. Titration Procedures:
   • In titration experiments, stopcocks with a 1:5 straight bore, ground and polished, and without a key are used to control the flow of titrant during the titration process, ensuring accurate and controlled addition.
5. Liquid Chromatography (LC):
   • These stopcocks can be integrated into liquid chromatography systems to control the flow of mobile phases or eluents during separation processes.
6. Gas Chromatography (GC):
   • In gas chromatography setups, stopcocks are utilized to control the flow of carrier gases, samples, or other gases within the system.
7. Fraction Collection:
   • Stopcocks with precise control are employed in fraction collection setups, allowing researchers to collect specific fractions during various processes, such as column chromatography or distillation.
8. Vacuum Filtration:
   • The stopcock is used in vacuum filtration setups to control the flow of liquid through the filtration apparatus, facilitating the separation of solids from liquids.
9. Analytical Chemistry:
   • In analytical chemistry experiments, these stopcocks are used to control the flow of solutions during sample preparation or analysis.
10. Quality Control Processes:
    • Stopcocks with a 1:5 straight bore, ground and polished, and without a key are used in quality control procedures to precisely control the addition of standards, reagents, or solutions during analytical testing.
11. Standardization of Glassware:
    • Compliance with ASTM standards ensures that the stopcocks meet specific quality and safety criteria, contributing to the standardization of laboratory glassware.
12. Educational Demonstrations:
    • Stopcocks with these specifications are used in educational settings to demonstrate principles of fluid control and precision in laboratory experiments.