In ACCORDANCE to DIN standard, one straight bore, material: BOROSILICATE Glass 3.3
| PART. No. | Size | Bore (mm) | Pack (qty.) |
| 1540-12 | 12.5 | 1.5 | 10 |
| 1540-12A | 12.5 | 2.5 | 10 |
| 1540-14 | 14.5 | 2.5 | 10 |
| 1540-14A | 14.5 | 4.0 | 10 |
| 1540-18 | 18.8 | 4.0 | 10 |
| 1540-18A | 18.8 | 6.0 | 10 |
| 1540-21 | 21.5 | 6.0 | 10 |
| 1540-24 | 24 | 8 | 10 |
| 1540-29 | 29.2 | 10 | 10 |
Here are some common uses for stopcocks with these specifications:
- Laboratory Glassware:
- Stopcocks with a 1:10 straight bore and PTFE plug are fundamental components of laboratory glassware setups, providing precise control over the flow of liquids or gases in various experimental procedures.
- 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.
- Titration Procedures:
- In titration experiments, stopcocks with a 1:10 straight bore and PTFE plug are used to control the flow of titrant during the titration process, ensuring accurate and controlled addition.
- Liquid Chromatography (LC):
- These stopcocks can be integrated into liquid chromatography systems to control the flow of mobile phases or eluents during separation processes.
- Gas Chromatography (GC):
- In gas chromatography setups, stopcocks are utilized to control the flow of carrier gases, samples, or other gases within the system.
- 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.
- 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.
- Analytical Chemistry:
- In analytical chemistry experiments, these stopcocks are used to control the flow of solutions during sample preparation or analysis.
- Quality Control Processes:
- Stopcocks with a 1:10 straight bore and PTFE plug are used in quality control procedures to precisely control the addition of standards, reagents, or solutions during analytical testing.
- Standardization of Glassware:
- Compliance with industry standards ensures that the stopcocks meet specific quality and safety criteria, contributing to the standardization of laboratory glassware.
- Educational Demonstrations:
- Stopcocks with these specifications are used in educational settings to demonstrate principles of fluid control and precision in laboratory experiments.
