- With socket and cone
- With PTFE Stopcock
- With sintered frit (porosity: 0), with suction tube (thread GL 14)
- Made of Boro 3.3 Glass
| PART No. | Capacity (ml) | Effective length (mm) | Dia. (mm) | Female & Male Joint (NS) | PACK Qty. |
| 5950-35 | 35 | 200 | 15 | 14/23 | 1 |
| 5950-120 | 120 | 400 | 20 | 14/23 | 1 |
| 5950-280 | 280 | 400 | 30 | 29/32 | 1 |
| 5950-430 | 430 | 600 | 30 | 29/32 | 1 |
Here are some common uses for chromatographic columns with a frit and PTFE stopcock:
- Column Chromatography:
- These columns are commonly used in traditional column chromatography, a separation technique where a mixture is passed through a column containing a stationary phase, and components are separated based on their differential interactions.
- Adsorption and Separation:
- The fritted disc supports and retains the stationary phase, facilitating the adsorption of components in the sample. This aids in the efficient separation of substances during the chromatographic process.
- Sample Purification:
- Chromatography columns with frits and PTFE stopcocks are utilized for the purification of samples by separating different components based on their interactions with the stationary phase. The PTFE stopcock allows for precise control of the elution process.
- Solid-Phase Extraction (SPE):
- These columns are employed in solid-phase extraction, a sample preparation technique where substances are selectively retained on a solid phase and then eluted for further analysis.
- Liquid Chromatography (LC):
- These columns can be used in liquid chromatography techniques, such as high-performance liquid chromatography (HPLC), where precise control over the eluent flow rate and efficient separation are crucial.
- Analytical Chemistry:
- Chromatographic columns with frits and PTFE stopcocks are used in analytical chemistry for the separation and analysis of complex mixtures, allowing researchers to identify and quantify individual components.
- Purification of Chemical Compounds:
- The columns are employed in the purification of chemical compounds, separating impurities and obtaining high-purity substances for further analysis or use in experiments.
- Size Exclusion Chromatography (SEC):
- Columns with frits and PTFE stopcocks can be used in size exclusion chromatography, where molecules are separated based on their size as they pass through a porous medium.
- Protein and Biomolecule Separation:
- The columns find applications in protein purification and biomolecule separation, where different components are separated based on their interactions with the stationary phase.
- Educational and Research Applications:
- These columns are used in educational settings for teaching chromatography principles and techniques. In research laboratories, they play a crucial role in various studies requiring precise separation and analysis.
